Home / 726,210.54-1,002,156.17-403,913.70

Finding the Fourth Proportional to 726,210.54, 1,002,156.17 and 403,913.70

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Solution

The fourth proportional to 726,210.54, 1,002,156.17 and 403,913.70 is: 557,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,210.54 : 1,002,156.17 = 403,913.70 : x
  2. Step 2: Convert to fraction form
    726,210.54/1,002,156.17 = 403,913.70/x
  3. Step 3: Cross multiply
    726,210.54x = 1,002,156.17 × 403,913.70
  4. Step 4: Simplify right side
    726,210.54x = 404,784,604,582.96
  5. Step 5: Solve for x
    x = 404,784,604,582.96/726,210.54
  6. Step 6: Final answer
    x = 557,392.91

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1.5x scale

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.