Home / 582,162.08-872,204.25-315,752.66

Finding the Fourth Proportional to 582,162.08, 872,204.25 and 315,752.66

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Solution

The fourth proportional to 582,162.08, 872,204.25 and 315,752.66 is: 473,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,162.08 : 872,204.25 = 315,752.66 : x
  2. Step 2: Convert to fraction form
    582,162.08/872,204.25 = 315,752.66/x
  3. Step 3: Cross multiply
    582,162.08x = 872,204.25 × 315,752.66
  4. Step 4: Simplify right side
    582,162.08x = 275,400,812,000.81
  5. Step 5: Solve for x
    x = 275,400,812,000.81/582,162.08
  6. Step 6: Final answer
    x = 473,065.53

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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.