Home / 718,590.46-1,074,650.28-639,095.74

Finding the Fourth Proportional to 718,590.46, 1,074,650.28 and 639,095.74

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Solution

The fourth proportional to 718,590.46, 1,074,650.28 and 639,095.74 is: 955,766.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,590.46 : 1,074,650.28 = 639,095.74 : x
  2. Step 2: Convert to fraction form
    718,590.46/1,074,650.28 = 639,095.74/x
  3. Step 3: Cross multiply
    718,590.46x = 1,074,650.28 × 639,095.74
  4. Step 4: Simplify right side
    718,590.46x = 686,804,415,937.81
  5. Step 5: Solve for x
    x = 686,804,415,937.81/718,590.46
  6. Step 6: Final answer
    x = 955,766.12

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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.