Home / 782,167.02-1,079,390.40-424,471.02

Finding the Fourth Proportional to 782,167.02, 1,079,390.40 and 424,471.02

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Solution

The fourth proportional to 782,167.02, 1,079,390.40 and 424,471.02 is: 585,769.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,167.02 : 1,079,390.40 = 424,471.02 : x
  2. Step 2: Convert to fraction form
    782,167.02/1,079,390.40 = 424,471.02/x
  3. Step 3: Cross multiply
    782,167.02x = 1,079,390.40 × 424,471.02
  4. Step 4: Simplify right side
    782,167.02x = 458,169,944,066.21
  5. Step 5: Solve for x
    x = 458,169,944,066.21/782,167.02
  6. Step 6: Final answer
    x = 585,769.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.