Home / 579,713.80-869,721.90-224,739.40

Finding the Fourth Proportional to 579,713.80, 869,721.90 and 224,739.40

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Solution

The fourth proportional to 579,713.80, 869,721.90 and 224,739.40 is: 337,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,713.80 : 869,721.90 = 224,739.40 : x
  2. Step 2: Convert to fraction form
    579,713.80/869,721.90 = 224,739.40/x
  3. Step 3: Cross multiply
    579,713.80x = 869,721.90 × 224,739.40
  4. Step 4: Simplify right side
    579,713.80x = 195,460,777,972.86
  5. Step 5: Solve for x
    x = 195,460,777,972.86/579,713.80
  6. Step 6: Final answer
    x = 337,167.72

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1.5x scale

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.