Home / 894,581.60-1,234,532.40-486,685.76

Finding the Fourth Proportional to 894,581.60, 1,234,532.40 and 486,685.76

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Solution

The fourth proportional to 894,581.60, 1,234,532.40 and 486,685.76 is: 671,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,581.60 : 1,234,532.40 = 486,685.76 : x
  2. Step 2: Convert to fraction form
    894,581.60/1,234,532.40 = 486,685.76/x
  3. Step 3: Cross multiply
    894,581.60x = 1,234,532.40 × 486,685.76
  4. Step 4: Simplify right side
    894,581.60x = 600,829,339,338.62
  5. Step 5: Solve for x
    x = 600,829,339,338.62/894,581.60
  6. Step 6: Final answer
    x = 671,631.68

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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.