Home / 626,470.20-937,631.70-485,465.40

Finding the Fourth Proportional to 626,470.20, 937,631.70 and 485,465.40

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Solution

The fourth proportional to 626,470.20, 937,631.70 and 485,465.40 is: 726,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,470.20 : 937,631.70 = 485,465.40 : x
  2. Step 2: Convert to fraction form
    626,470.20/937,631.70 = 485,465.40/x
  3. Step 3: Cross multiply
    626,470.20x = 937,631.70 × 485,465.40
  4. Step 4: Simplify right side
    626,470.20x = 455,187,748,293.18
  5. Step 5: Solve for x
    x = 455,187,748,293.18/626,470.20
  6. Step 6: Final answer
    x = 726,591.22

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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.