Home / 972,391.96-1,342,036.16-542,699.77

Finding the Fourth Proportional to 972,391.96, 1,342,036.16 and 542,699.77

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Solution

The fourth proportional to 972,391.96, 1,342,036.16 and 542,699.77 is: 749,001.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,391.96 : 1,342,036.16 = 542,699.77 : x
  2. Step 2: Convert to fraction form
    972,391.96/1,342,036.16 = 542,699.77/x
  3. Step 3: Cross multiply
    972,391.96x = 1,342,036.16 × 542,699.77
  4. Step 4: Simplify right side
    972,391.96x = 728,322,705,940.00
  5. Step 5: Solve for x
    x = 728,322,705,940.00/972,391.96
  6. Step 6: Final answer
    x = 749,001.16

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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.