Home / 730,727.46-1,008,425.14-399,602.86

Finding the Fourth Proportional to 730,727.46, 1,008,425.14 and 399,602.86

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Solution

The fourth proportional to 730,727.46, 1,008,425.14 and 399,602.86 is: 551,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,727.46 : 1,008,425.14 = 399,602.86 : x
  2. Step 2: Convert to fraction form
    730,727.46/1,008,425.14 = 399,602.86/x
  3. Step 3: Cross multiply
    730,727.46x = 1,008,425.14 × 399,602.86
  4. Step 4: Simplify right side
    730,727.46x = 402,969,568,041.89
  5. Step 5: Solve for x
    x = 402,969,568,041.89/730,727.46
  6. Step 6: Final answer
    x = 551,463.56

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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.