Home / 972,487.31-1,342,159.44-542,856.62

Finding the Fourth Proportional to 972,487.31, 1,342,159.44 and 542,856.62

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Solution

The fourth proportional to 972,487.31, 1,342,159.44 and 542,856.62 is: 749,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,487.31 : 1,342,159.44 = 542,856.62 : x
  2. Step 2: Convert to fraction form
    972,487.31/1,342,159.44 = 542,856.62/x
  3. Step 3: Cross multiply
    972,487.31x = 1,342,159.44 × 542,856.62
  4. Step 4: Simplify right side
    972,487.31x = 728,600,138,419.18
  5. Step 5: Solve for x
    x = 728,600,138,419.18/972,487.31
  6. Step 6: Final answer
    x = 749,213.01

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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.