Home / 924,366.80-1,386,550.20-640,931.60

Finding the Fourth Proportional to 924,366.80, 1,386,550.20 and 640,931.60

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Solution

The fourth proportional to 924,366.80, 1,386,550.20 and 640,931.60 is: 961,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,366.80 : 1,386,550.20 = 640,931.60 : x
  2. Step 2: Convert to fraction form
    924,366.80/1,386,550.20 = 640,931.60/x
  3. Step 3: Cross multiply
    924,366.80x = 1,386,550.20 × 640,931.60
  4. Step 4: Simplify right side
    924,366.80x = 888,683,838,166.32
  5. Step 5: Solve for x
    x = 888,683,838,166.32/924,366.80
  6. Step 6: Final answer
    x = 961,397.40

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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.