Home / 726,148.95-1,088,226.96-459,432.00

Finding the Fourth Proportional to 726,148.95, 1,088,226.96 and 459,432.00

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Solution

The fourth proportional to 726,148.95, 1,088,226.96 and 459,432.00 is: 688,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,148.95 : 1,088,226.96 = 459,432.00 : x
  2. Step 2: Convert to fraction form
    726,148.95/1,088,226.96 = 459,432.00/x
  3. Step 3: Cross multiply
    726,148.95x = 1,088,226.96 × 459,432.00
  4. Step 4: Simplify right side
    726,148.95x = 499,966,282,883.00
  5. Step 5: Solve for x
    x = 499,966,282,883.00/726,148.95
  6. Step 6: Final answer
    x = 688,517.54

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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.