Home / 972,413.64-1,341,876.24-542,721.45

Finding the Fourth Proportional to 972,413.64, 1,341,876.24 and 542,721.45

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Solution

The fourth proportional to 972,413.64, 1,341,876.24 and 542,721.45 is: 748,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,413.64 : 1,341,876.24 = 542,721.45 : x
  2. Step 2: Convert to fraction form
    972,413.64/1,341,876.24 = 542,721.45/x
  3. Step 3: Cross multiply
    972,413.64x = 1,341,876.24 × 542,721.45
  4. Step 4: Simplify right side
    972,413.64x = 728,265,018,693.35
  5. Step 5: Solve for x
    x = 728,265,018,693.35/972,413.64
  6. Step 6: Final answer
    x = 748,925.14

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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.