Home / 898,297.20-1,347,445.80-579,432.60

Finding the Fourth Proportional to 898,297.20, 1,347,445.80 and 579,432.60

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Solution

The fourth proportional to 898,297.20, 1,347,445.80 and 579,432.60 is: 869,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,297.20 : 1,347,445.80 = 579,432.60 : x
  2. Step 2: Convert to fraction form
    898,297.20/1,347,445.80 = 579,432.60/x
  3. Step 3: Cross multiply
    898,297.20x = 1,347,445.80 × 579,432.60
  4. Step 4: Simplify right side
    898,297.20x = 780,754,023,253.08
  5. Step 5: Solve for x
    x = 780,754,023,253.08/898,297.20
  6. Step 6: Final answer
    x = 869,148.90

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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.