Home / 972,394.37-1,342,039.47-542,702.17

Finding the Fourth Proportional to 972,394.37, 1,342,039.47 and 542,702.17

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Solution

The fourth proportional to 972,394.37, 1,342,039.47 and 542,702.17 is: 749,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,394.37 : 1,342,039.47 = 542,702.17 : x
  2. Step 2: Convert to fraction form
    972,394.37/1,342,039.47 = 542,702.17/x
  3. Step 3: Cross multiply
    972,394.37x = 1,342,039.47 × 542,702.17
  4. Step 4: Simplify right side
    972,394.37x = 728,327,736,307.33
  5. Step 5: Solve for x
    x = 728,327,736,307.33/972,394.37
  6. Step 6: Final answer
    x = 749,004.48

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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.