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Finding the Fourth Proportional to 582,462.12, 872,572.62 and 357,164.92

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Solution

The fourth proportional to 582,462.12, 872,572.62 and 357,164.92 is: 535,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,462.12 : 872,572.62 = 357,164.92 : x
  2. Step 2: Convert to fraction form
    582,462.12/872,572.62 = 357,164.92/x
  3. Step 3: Cross multiply
    582,462.12x = 872,572.62 × 357,164.92
  4. Step 4: Simplify right side
    582,462.12x = 311,652,330,016.49
  5. Step 5: Solve for x
    x = 311,652,330,016.49/582,462.12
  6. Step 6: Final answer
    x = 535,060.25

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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.