Home / 852,313.20-1,176,249.24-489,854.40

Finding the Fourth Proportional to 852,313.20, 1,176,249.24 and 489,854.40

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Solution

The fourth proportional to 852,313.20, 1,176,249.24 and 489,854.40 is: 676,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,313.20 : 1,176,249.24 = 489,854.40 : x
  2. Step 2: Convert to fraction form
    852,313.20/1,176,249.24 = 489,854.40/x
  3. Step 3: Cross multiply
    852,313.20x = 1,176,249.24 × 489,854.40
  4. Step 4: Simplify right side
    852,313.20x = 576,190,865,710.66
  5. Step 5: Solve for x
    x = 576,190,865,710.66/852,313.20
  6. Step 6: Final answer
    x = 676,031.85

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1.5x scale

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.