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Finding the Fourth Proportional to 662,711.60, 994,585.80 and 307,769.60

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Solution

The fourth proportional to 662,711.60, 994,585.80 and 307,769.60 is: 461,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,711.60 : 994,585.80 = 307,769.60 : x
  2. Step 2: Convert to fraction form
    662,711.60/994,585.80 = 307,769.60/x
  3. Step 3: Cross multiply
    662,711.60x = 994,585.80 × 307,769.60
  4. Step 4: Simplify right side
    662,711.60x = 306,103,273,831.68
  5. Step 5: Solve for x
    x = 306,103,273,831.68/662,711.60
  6. Step 6: Final answer
    x = 461,895.15

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1.5x scale

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.