Home / 762,340.34-1,143,325.56-256,770.74

Finding the Fourth Proportional to 762,340.34, 1,143,325.56 and 256,770.74

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Solution

The fourth proportional to 762,340.34, 1,143,325.56 and 256,770.74 is: 385,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,340.34 : 1,143,325.56 = 256,770.74 : x
  2. Step 2: Convert to fraction form
    762,340.34/1,143,325.56 = 256,770.74/x
  3. Step 3: Cross multiply
    762,340.34x = 1,143,325.56 × 256,770.74
  4. Step 4: Simplify right side
    762,340.34x = 293,572,550,102.11
  5. Step 5: Solve for x
    x = 293,572,550,102.11/762,340.34
  6. Step 6: Final answer
    x = 385,093.82

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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.