Home / 786,508.32-1,179,788.58-217,895.13

Finding the Fourth Proportional to 786,508.32, 1,179,788.58 and 217,895.13

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Solution

The fourth proportional to 786,508.32, 1,179,788.58 and 217,895.13 is: 326,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,508.32 : 1,179,788.58 = 217,895.13 : x
  2. Step 2: Convert to fraction form
    786,508.32/1,179,788.58 = 217,895.13/x
  3. Step 3: Cross multiply
    786,508.32x = 1,179,788.58 × 217,895.13
  4. Step 4: Simplify right side
    786,508.32x = 257,070,186,011.62
  5. Step 5: Solve for x
    x = 257,070,186,011.62/786,508.32
  6. Step 6: Final answer
    x = 326,849.93

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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.