Home / 842,470.20-1,263,710.70-337,073.40

Finding the Fourth Proportional to 842,470.20, 1,263,710.70 and 337,073.40

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Solution

The fourth proportional to 842,470.20, 1,263,710.70 and 337,073.40 is: 505,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,470.20 : 1,263,710.70 = 337,073.40 : x
  2. Step 2: Convert to fraction form
    842,470.20/1,263,710.70 = 337,073.40/x
  3. Step 3: Cross multiply
    842,470.20x = 1,263,710.70 × 337,073.40
  4. Step 4: Simplify right side
    842,470.20x = 425,963,262,265.38
  5. Step 5: Solve for x
    x = 425,963,262,265.38/842,470.20
  6. Step 6: Final answer
    x = 505,612.26

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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.