Home / 784,869.25-1,177,479.39-286,233.25

Finding the Fourth Proportional to 784,869.25, 1,177,479.39 and 286,233.25

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Solution

The fourth proportional to 784,869.25, 1,177,479.39 and 286,233.25 is: 429,413.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,869.25 : 1,177,479.39 = 286,233.25 : x
  2. Step 2: Convert to fraction form
    784,869.25/1,177,479.39 = 286,233.25/x
  3. Step 3: Cross multiply
    784,869.25x = 1,177,479.39 × 286,233.25
  4. Step 4: Simplify right side
    784,869.25x = 337,033,752,607.72
  5. Step 5: Solve for x
    x = 337,033,752,607.72/784,869.25
  6. Step 6: Final answer
    x = 429,413.88

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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.