Home / 891,360.64-1,337,449.20-386,076.16

Finding the Fourth Proportional to 891,360.64, 1,337,449.20 and 386,076.16

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Solution

The fourth proportional to 891,360.64, 1,337,449.20 and 386,076.16 is: 579,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,360.64 : 1,337,449.20 = 386,076.16 : x
  2. Step 2: Convert to fraction form
    891,360.64/1,337,449.20 = 386,076.16/x
  3. Step 3: Cross multiply
    891,360.64x = 1,337,449.20 × 386,076.16
  4. Step 4: Simplify right side
    891,360.64x = 516,357,251,331.07
  5. Step 5: Solve for x
    x = 516,357,251,331.07/891,360.64
  6. Step 6: Final answer
    x = 579,291.06

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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.