Home / 845,335.83-1,267,413.16-312,787.77

Finding the Fourth Proportional to 845,335.83, 1,267,413.16 and 312,787.77

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Solution

The fourth proportional to 845,335.83, 1,267,413.16 and 312,787.77 is: 468,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,335.83 : 1,267,413.16 = 312,787.77 : x
  2. Step 2: Convert to fraction form
    845,335.83/1,267,413.16 = 312,787.77/x
  3. Step 3: Cross multiply
    845,335.83x = 1,267,413.16 × 312,787.77
  4. Step 4: Simplify right side
    845,335.83x = 396,431,335,985.05
  5. Step 5: Solve for x
    x = 396,431,335,985.05/845,335.83
  6. Step 6: Final answer
    x = 468,963.13

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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.