Home / 929,713.16-1,395,317.10-480,565.72

Finding the Fourth Proportional to 929,713.16, 1,395,317.10 and 480,565.72

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Solution

The fourth proportional to 929,713.16, 1,395,317.10 and 480,565.72 is: 721,234.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,713.16 : 1,395,317.10 = 480,565.72 : x
  2. Step 2: Convert to fraction form
    929,713.16/1,395,317.10 = 480,565.72/x
  3. Step 3: Cross multiply
    929,713.16x = 1,395,317.10 × 480,565.72
  4. Step 4: Simplify right side
    929,713.16x = 670,541,566,789.81
  5. Step 5: Solve for x
    x = 670,541,566,789.81/929,713.16
  6. Step 6: Final answer
    x = 721,234.89

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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.