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Finding the Fourth Proportional to 680,051.88, 932,503.65 and 662,337.18

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Solution

The fourth proportional to 680,051.88, 932,503.65 and 662,337.18 is: 908,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,051.88 : 932,503.65 = 662,337.18 : x
  2. Step 2: Convert to fraction form
    680,051.88/932,503.65 = 662,337.18/x
  3. Step 3: Cross multiply
    680,051.88x = 932,503.65 × 662,337.18
  4. Step 4: Simplify right side
    680,051.88x = 617,631,837,880.71
  5. Step 5: Solve for x
    x = 617,631,837,880.71/680,051.88
  6. Step 6: Final answer
    x = 908,212.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.