Home / 972,391.46-1,342,035.46-542,699.27

Finding the Fourth Proportional to 972,391.46, 1,342,035.46 and 542,699.27

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Solution

The fourth proportional to 972,391.46, 1,342,035.46 and 542,699.27 is: 749,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,391.46 : 1,342,035.46 = 542,699.27 : x
  2. Step 2: Convert to fraction form
    972,391.46/1,342,035.46 = 542,699.27/x
  3. Step 3: Cross multiply
    972,391.46x = 1,342,035.46 × 542,699.27
  4. Step 4: Simplify right side
    972,391.46x = 728,321,661,208.81
  5. Step 5: Solve for x
    x = 728,321,661,208.81/972,391.46
  6. Step 6: Final answer
    x = 749,000.47

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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.