Home / 508,724.81-763,103.50-255,867.29

Finding the Fourth Proportional to 508,724.81, 763,103.50 and 255,867.29

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Solution

The fourth proportional to 508,724.81, 763,103.50 and 255,867.29 is: 383,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,724.81 : 763,103.50 = 255,867.29 : x
  2. Step 2: Convert to fraction form
    508,724.81/763,103.50 = 255,867.29/x
  3. Step 3: Cross multiply
    508,724.81x = 763,103.50 × 255,867.29
  4. Step 4: Simplify right side
    508,724.81x = 195,253,220,079.33
  5. Step 5: Solve for x
    x = 195,253,220,079.33/508,724.81
  6. Step 6: Final answer
    x = 383,809.12

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1.5x scale

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.