Home / 819,898.70-1,230,366.45-482,938.70

Finding the Fourth Proportional to 819,898.70, 1,230,366.45 and 482,938.70

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Solution

The fourth proportional to 819,898.70, 1,230,366.45 and 482,938.70 is: 724,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,898.70 : 1,230,366.45 = 482,938.70 : x
  2. Step 2: Convert to fraction form
    819,898.70/1,230,366.45 = 482,938.70/x
  3. Step 3: Cross multiply
    819,898.70x = 1,230,366.45 × 482,938.70
  4. Step 4: Simplify right side
    819,898.70x = 594,191,573,886.62
  5. Step 5: Solve for x
    x = 594,191,573,886.62/819,898.70
  6. Step 6: Final answer
    x = 724,713.40

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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.