Home / 769,819.74-1,062,332.34-425,646.60

Finding the Fourth Proportional to 769,819.74, 1,062,332.34 and 425,646.60

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Solution

The fourth proportional to 769,819.74, 1,062,332.34 and 425,646.60 is: 587,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,819.74 : 1,062,332.34 = 425,646.60 : x
  2. Step 2: Convert to fraction form
    769,819.74/1,062,332.34 = 425,646.60/x
  3. Step 3: Cross multiply
    769,819.74x = 1,062,332.34 × 425,646.60
  4. Step 4: Simplify right side
    769,819.74x = 452,178,148,591.04
  5. Step 5: Solve for x
    x = 452,178,148,591.04/769,819.74
  6. Step 6: Final answer
    x = 587,381.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.