Home / 579,721.80-869,733.90-224,747.40

Finding the Fourth Proportional to 579,721.80, 869,733.90 and 224,747.40

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Solution

The fourth proportional to 579,721.80, 869,733.90 and 224,747.40 is: 337,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,721.80 : 869,733.90 = 224,747.40 : x
  2. Step 2: Convert to fraction form
    579,721.80/869,733.90 = 224,747.40/x
  3. Step 3: Cross multiply
    579,721.80x = 869,733.90 × 224,747.40
  4. Step 4: Simplify right side
    579,721.80x = 195,470,432,716.86
  5. Step 5: Solve for x
    x = 195,470,432,716.86/579,721.80
  6. Step 6: Final answer
    x = 337,179.72

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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.