Home / 819,963.70-1,230,463.95-483,003.70

Finding the Fourth Proportional to 819,963.70, 1,230,463.95 and 483,003.70

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Solution

The fourth proportional to 819,963.70, 1,230,463.95 and 483,003.70 is: 724,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,963.70 : 1,230,463.95 = 483,003.70 : x
  2. Step 2: Convert to fraction form
    819,963.70/1,230,463.95 = 483,003.70/x
  3. Step 3: Cross multiply
    819,963.70x = 1,230,463.95 × 483,003.70
  4. Step 4: Simplify right side
    819,963.70x = 594,318,640,566.62
  5. Step 5: Solve for x
    x = 594,318,640,566.62/819,963.70
  6. Step 6: Final answer
    x = 724,810.92

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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.