Home / 865,975.64-1,298,631.26-297,250.76

Finding the Fourth Proportional to 865,975.64, 1,298,631.26 and 297,250.76

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Solution

The fourth proportional to 865,975.64, 1,298,631.26 and 297,250.76 is: 445,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,975.64 : 1,298,631.26 = 297,250.76 : x
  2. Step 2: Convert to fraction form
    865,975.64/1,298,631.26 = 297,250.76/x
  3. Step 3: Cross multiply
    865,975.64x = 1,298,631.26 × 297,250.76
  4. Step 4: Simplify right side
    865,975.64x = 386,019,123,244.73
  5. Step 5: Solve for x
    x = 386,019,123,244.73/865,975.64
  6. Step 6: Final answer
    x = 445,762.11

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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.