Home / 658,821.60-988,232.40-572,216.40

Finding the Fourth Proportional to 658,821.60, 988,232.40 and 572,216.40

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Solution

The fourth proportional to 658,821.60, 988,232.40 and 572,216.40 is: 858,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,821.60 : 988,232.40 = 572,216.40 : x
  2. Step 2: Convert to fraction form
    658,821.60/988,232.40 = 572,216.40/x
  3. Step 3: Cross multiply
    658,821.60x = 988,232.40 × 572,216.40
  4. Step 4: Simplify right side
    658,821.60x = 565,482,786,291.36
  5. Step 5: Solve for x
    x = 565,482,786,291.36/658,821.60
  6. Step 6: Final answer
    x = 858,324.60

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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.