Home / 584,251.20-806,262.08-315,979.20

Finding the Fourth Proportional to 584,251.20, 806,262.08 and 315,979.20

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Solution

The fourth proportional to 584,251.20, 806,262.08 and 315,979.20 is: 436,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,251.20 : 806,262.08 = 315,979.20 : x
  2. Step 2: Convert to fraction form
    584,251.20/806,262.08 = 315,979.20/x
  3. Step 3: Cross multiply
    584,251.20x = 806,262.08 × 315,979.20
  4. Step 4: Simplify right side
    584,251.20x = 254,762,047,028.74
  5. Step 5: Solve for x
    x = 254,762,047,028.74/584,251.20
  6. Step 6: Final answer
    x = 436,048.82

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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.