Home / 891,362.64-1,337,452.20-386,078.16

Finding the Fourth Proportional to 891,362.64, 1,337,452.20 and 386,078.16

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Solution

The fourth proportional to 891,362.64, 1,337,452.20 and 386,078.16 is: 579,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,362.64 : 1,337,452.20 = 386,078.16 : x
  2. Step 2: Convert to fraction form
    891,362.64/1,337,452.20 = 386,078.16/x
  3. Step 3: Cross multiply
    891,362.64x = 1,337,452.20 × 386,078.16
  4. Step 4: Simplify right side
    891,362.64x = 516,361,084,463.95
  5. Step 5: Solve for x
    x = 516,361,084,463.95/891,362.64
  6. Step 6: Final answer
    x = 579,294.06

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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.