Home / 830,229.50-1,245,737.91-493,934.51

Finding the Fourth Proportional to 830,229.50, 1,245,737.91 and 493,934.51

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Solution

The fourth proportional to 830,229.50, 1,245,737.91 and 493,934.51 is: 741,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,229.50 : 1,245,737.91 = 493,934.51 : x
  2. Step 2: Convert to fraction form
    830,229.50/1,245,737.91 = 493,934.51/x
  3. Step 3: Cross multiply
    830,229.50x = 1,245,737.91 × 493,934.51
  4. Step 4: Simplify right side
    830,229.50x = 615,312,937,935.59
  5. Step 5: Solve for x
    x = 615,312,937,935.59/830,229.50
  6. Step 6: Final answer
    x = 741,135.96

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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.