Home / 459,417.20-633,996.25-255,463.75

Finding the Fourth Proportional to 459,417.20, 633,996.25 and 255,463.75

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Solution

The fourth proportional to 459,417.20, 633,996.25 and 255,463.75 is: 352,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,417.20 : 633,996.25 = 255,463.75 : x
  2. Step 2: Convert to fraction form
    459,417.20/633,996.25 = 255,463.75/x
  3. Step 3: Cross multiply
    459,417.20x = 633,996.25 × 255,463.75
  4. Step 4: Simplify right side
    459,417.20x = 161,963,059,664.77
  5. Step 5: Solve for x
    x = 161,963,059,664.77/459,417.20
  6. Step 6: Final answer
    x = 352,540.26

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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.