Home / 762,655.12-1,052,454.66-440,358.16

Finding the Fourth Proportional to 762,655.12, 1,052,454.66 and 440,358.16

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Solution

The fourth proportional to 762,655.12, 1,052,454.66 and 440,358.16 is: 607,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,655.12 : 1,052,454.66 = 440,358.16 : x
  2. Step 2: Convert to fraction form
    762,655.12/1,052,454.66 = 440,358.16/x
  3. Step 3: Cross multiply
    762,655.12x = 1,052,454.66 × 440,358.16
  4. Step 4: Simplify right side
    762,655.12x = 463,456,997,561.03
  5. Step 5: Solve for x
    x = 463,456,997,561.03/762,655.12
  6. Step 6: Final answer
    x = 607,688.83

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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.