Home / 762,654.12-1,052,453.28-440,357.16

Finding the Fourth Proportional to 762,654.12, 1,052,453.28 and 440,357.16

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Solution

The fourth proportional to 762,654.12, 1,052,453.28 and 440,357.16 is: 607,687.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,654.12 : 1,052,453.28 = 440,357.16 : x
  2. Step 2: Convert to fraction form
    762,654.12/1,052,453.28 = 440,357.16/x
  3. Step 3: Cross multiply
    762,654.12x = 1,052,453.28 × 440,357.16
  4. Step 4: Simplify right side
    762,654.12x = 463,455,337,413.49
  5. Step 5: Solve for x
    x = 463,455,337,413.49/762,654.12
  6. Step 6: Final answer
    x = 607,687.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.