Home / 672,413.05-927,930.35-382,025.11

Finding the Fourth Proportional to 672,413.05, 927,930.35 and 382,025.11

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Solution

The fourth proportional to 672,413.05, 927,930.35 and 382,025.11 is: 527,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,413.05 : 927,930.35 = 382,025.11 : x
  2. Step 2: Convert to fraction form
    672,413.05/927,930.35 = 382,025.11/x
  3. Step 3: Cross multiply
    672,413.05x = 927,930.35 × 382,025.11
  4. Step 4: Simplify right side
    672,413.05x = 354,492,694,790.42
  5. Step 5: Solve for x
    x = 354,492,694,790.42/672,413.05
  6. Step 6: Final answer
    x = 527,194.85

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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.