Home / 724,184.28-1,086,259.95-426,552.89

Finding the Fourth Proportional to 724,184.28, 1,086,259.95 and 426,552.89

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Solution

The fourth proportional to 724,184.28, 1,086,259.95 and 426,552.89 is: 639,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,184.28 : 1,086,259.95 = 426,552.89 : x
  2. Step 2: Convert to fraction form
    724,184.28/1,086,259.95 = 426,552.89/x
  3. Step 3: Cross multiply
    724,184.28x = 1,086,259.95 × 426,552.89
  4. Step 4: Simplify right side
    724,184.28x = 463,347,315,532.46
  5. Step 5: Solve for x
    x = 463,347,315,532.46/724,184.28
  6. Step 6: Final answer
    x = 639,819.63

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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.