Home / 932,499.20-1,398,748.80-489,209.60

Finding the Fourth Proportional to 932,499.20, 1,398,748.80 and 489,209.60

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Solution

The fourth proportional to 932,499.20, 1,398,748.80 and 489,209.60 is: 733,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,499.20 : 1,398,748.80 = 489,209.60 : x
  2. Step 2: Convert to fraction form
    932,499.20/1,398,748.80 = 489,209.60/x
  3. Step 3: Cross multiply
    932,499.20x = 1,398,748.80 × 489,209.60
  4. Step 4: Simplify right side
    932,499.20x = 684,281,340,948.48
  5. Step 5: Solve for x
    x = 684,281,340,948.48/932,499.20
  6. Step 6: Final answer
    x = 733,814.40

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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.