Home / 743,011.36-1,114,156.51-363,487.57

Finding the Fourth Proportional to 743,011.36, 1,114,156.51 and 363,487.57

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Solution

The fourth proportional to 743,011.36, 1,114,156.51 and 363,487.57 is: 545,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,011.36 : 1,114,156.51 = 363,487.57 : x
  2. Step 2: Convert to fraction form
    743,011.36/1,114,156.51 = 363,487.57/x
  3. Step 3: Cross multiply
    743,011.36x = 1,114,156.51 × 363,487.57
  4. Step 4: Simplify right side
    743,011.36x = 404,982,042,419.58
  5. Step 5: Solve for x
    x = 404,982,042,419.58/743,011.36
  6. Step 6: Final answer
    x = 545,054.98

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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.