Home / 774,918.90-1,162,378.35-242,444.54

Finding the Fourth Proportional to 774,918.90, 1,162,378.35 and 242,444.54

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Solution

The fourth proportional to 774,918.90, 1,162,378.35 and 242,444.54 is: 363,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,918.90 : 1,162,378.35 = 242,444.54 : x
  2. Step 2: Convert to fraction form
    774,918.90/1,162,378.35 = 242,444.54/x
  3. Step 3: Cross multiply
    774,918.90x = 1,162,378.35 × 242,444.54
  4. Step 4: Simplify right side
    774,918.90x = 281,812,287,277.66
  5. Step 5: Solve for x
    x = 281,812,287,277.66/774,918.90
  6. Step 6: Final answer
    x = 363,666.81

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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.