Home / 832,287.60-1,248,487.20-292,478.16

Finding the Fourth Proportional to 832,287.60, 1,248,487.20 and 292,478.16

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Solution

The fourth proportional to 832,287.60, 1,248,487.20 and 292,478.16 is: 438,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,287.60 : 1,248,487.20 = 292,478.16 : x
  2. Step 2: Convert to fraction form
    832,287.60/1,248,487.20 = 292,478.16/x
  3. Step 3: Cross multiply
    832,287.60x = 1,248,487.20 × 292,478.16
  4. Step 4: Simplify right side
    832,287.60x = 365,155,239,039.55
  5. Step 5: Solve for x
    x = 365,155,239,039.55/832,287.60
  6. Step 6: Final answer
    x = 438,736.85

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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.