Home / 927,476.80-1,391,178.66-328,413.76

Finding the Fourth Proportional to 927,476.80, 1,391,178.66 and 328,413.76

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Solution

The fourth proportional to 927,476.80, 1,391,178.66 and 328,413.76 is: 492,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,476.80 : 1,391,178.66 = 328,413.76 : x
  2. Step 2: Convert to fraction form
    927,476.80/1,391,178.66 = 328,413.76/x
  3. Step 3: Cross multiply
    927,476.80x = 1,391,178.66 × 328,413.76
  4. Step 4: Simplify right side
    927,476.80x = 456,882,214,562.36
  5. Step 5: Solve for x
    x = 456,882,214,562.36/927,476.80
  6. Step 6: Final answer
    x = 492,607.70

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1.5x scale

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.