Home / 847,230.60-1,268,772.30-403,480.20

Finding the Fourth Proportional to 847,230.60, 1,268,772.30 and 403,480.20

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Solution

The fourth proportional to 847,230.60, 1,268,772.30 and 403,480.20 is: 604,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,230.60 : 1,268,772.30 = 403,480.20 : x
  2. Step 2: Convert to fraction form
    847,230.60/1,268,772.30 = 403,480.20/x
  3. Step 3: Cross multiply
    847,230.60x = 1,268,772.30 × 403,480.20
  4. Step 4: Simplify right side
    847,230.60x = 511,924,501,358.46
  5. Step 5: Solve for x
    x = 511,924,501,358.46/847,230.60
  6. Step 6: Final answer
    x = 604,232.78

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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.