Home / 786,227.98-1,179,113.91-306,348.74

Finding the Fourth Proportional to 786,227.98, 1,179,113.91 and 306,348.74

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Solution

The fourth proportional to 786,227.98, 1,179,113.91 and 306,348.74 is: 459,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,227.98 : 1,179,113.91 = 306,348.74 : x
  2. Step 2: Convert to fraction form
    786,227.98/1,179,113.91 = 306,348.74/x
  3. Step 3: Cross multiply
    786,227.98x = 1,179,113.91 × 306,348.74
  4. Step 4: Simplify right side
    786,227.98x = 361,220,060,644.97
  5. Step 5: Solve for x
    x = 361,220,060,644.97/786,227.98
  6. Step 6: Final answer
    x = 459,434.25

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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.