Home / 932,643.96-1,398,691.38-363,897.72

Finding the Fourth Proportional to 932,643.96, 1,398,691.38 and 363,897.72

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Solution

The fourth proportional to 932,643.96, 1,398,691.38 and 363,897.72 is: 545,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,643.96 : 1,398,691.38 = 363,897.72 : x
  2. Step 2: Convert to fraction form
    932,643.96/1,398,691.38 = 363,897.72/x
  3. Step 3: Cross multiply
    932,643.96x = 1,398,691.38 × 363,897.72
  4. Step 4: Simplify right side
    932,643.96x = 508,980,604,165.65
  5. Step 5: Solve for x
    x = 508,980,604,165.65/932,643.96
  6. Step 6: Final answer
    x = 545,739.45

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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.