Home / 726,149.95-1,088,228.45-459,433

Finding the Fourth Proportional to 726,149.95, 1,088,228.45 and 459,433

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Solution

The fourth proportional to 726,149.95, 1,088,228.45 and 459,433 is: 688,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,149.95 : 1,088,228.45 = 459,433 : x
  2. Step 2: Convert to fraction form
    726,149.95/1,088,228.45 = 459,433/x
  3. Step 3: Cross multiply
    726,149.95x = 1,088,228.45 × 459,433
  4. Step 4: Simplify right side
    726,149.95x = 499,968,061,468.85
  5. Step 5: Solve for x
    x = 499,968,061,468.85/726,149.95
  6. Step 6: Final answer
    x = 688,519.03

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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.