Home / 942,387.36-1,413,574.56-381,413.76

Finding the Fourth Proportional to 942,387.36, 1,413,574.56 and 381,413.76

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Solution

The fourth proportional to 942,387.36, 1,413,574.56 and 381,413.76 is: 572,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,387.36 : 1,413,574.56 = 381,413.76 : x
  2. Step 2: Convert to fraction form
    942,387.36/1,413,574.56 = 381,413.76/x
  3. Step 3: Cross multiply
    942,387.36x = 1,413,574.56 × 381,413.76
  4. Step 4: Simplify right side
    942,387.36x = 539,156,787,969.95
  5. Step 5: Solve for x
    x = 539,156,787,969.95/942,387.36
  6. Step 6: Final answer
    x = 572,118.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.