Home / 972,543.20-1,342,111.16-542,823.22

Finding the Fourth Proportional to 972,543.20, 1,342,111.16 and 542,823.22

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Solution

The fourth proportional to 972,543.20, 1,342,111.16 and 542,823.22 is: 749,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,543.20 : 1,342,111.16 = 542,823.22 : x
  2. Step 2: Convert to fraction form
    972,543.20/1,342,111.16 = 542,823.22/x
  3. Step 3: Cross multiply
    972,543.20x = 1,342,111.16 × 542,823.22
  4. Step 4: Simplify right side
    972,543.20x = 728,529,092,044.46
  5. Step 5: Solve for x
    x = 728,529,092,044.46/972,543.20
  6. Step 6: Final answer
    x = 749,096.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.