Home / 743,115.58-1,115,102.39-401,560.17

Finding the Fourth Proportional to 743,115.58, 1,115,102.39 and 401,560.17

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Solution

The fourth proportional to 743,115.58, 1,115,102.39 and 401,560.17 is: 602,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,115.58 : 1,115,102.39 = 401,560.17 : x
  2. Step 2: Convert to fraction form
    743,115.58/1,115,102.39 = 401,560.17/x
  3. Step 3: Cross multiply
    743,115.58x = 1,115,102.39 × 401,560.17
  4. Step 4: Simplify right side
    743,115.58x = 447,780,699,106.37
  5. Step 5: Solve for x
    x = 447,780,699,106.37/743,115.58
  6. Step 6: Final answer
    x = 602,572.08

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.