Home / 708,700.60-1,063,549.04-640,941.87

Finding the Fourth Proportional to 708,700.60, 1,063,549.04 and 640,941.87

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Solution

The fourth proportional to 708,700.60, 1,063,549.04 and 640,941.87 is: 961,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,700.60 : 1,063,549.04 = 640,941.87 : x
  2. Step 2: Convert to fraction form
    708,700.60/1,063,549.04 = 640,941.87/x
  3. Step 3: Cross multiply
    708,700.60x = 1,063,549.04 × 640,941.87
  4. Step 4: Simplify right side
    708,700.60x = 681,673,110,534.31
  5. Step 5: Solve for x
    x = 681,673,110,534.31/708,700.60
  6. Step 6: Final answer
    x = 961,863.32

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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.