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Finding the Fourth Proportional to 545,572.86, 818,247.48 and 343,076.10

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Solution

The fourth proportional to 545,572.86, 818,247.48 and 343,076.10 is: 514,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,572.86 : 818,247.48 = 343,076.10 : x
  2. Step 2: Convert to fraction form
    545,572.86/818,247.48 = 343,076.10/x
  3. Step 3: Cross multiply
    545,572.86x = 818,247.48 × 343,076.10
  4. Step 4: Simplify right side
    545,572.86x = 280,721,154,273.23
  5. Step 5: Solve for x
    x = 280,721,154,273.23/545,572.86
  6. Step 6: Final answer
    x = 514,543.84

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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.