Home / 712,842.78-1,069,266.37-180,363.71

Finding the Fourth Proportional to 712,842.78, 1,069,266.37 and 180,363.71

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Solution

The fourth proportional to 712,842.78, 1,069,266.37 and 180,363.71 is: 270,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,842.78 : 1,069,266.37 = 180,363.71 : x
  2. Step 2: Convert to fraction form
    712,842.78/1,069,266.37 = 180,363.71/x
  3. Step 3: Cross multiply
    712,842.78x = 1,069,266.37 × 180,363.71
  4. Step 4: Simplify right side
    712,842.78x = 192,856,852,031.87
  5. Step 5: Solve for x
    x = 192,856,852,031.87/712,842.78
  6. Step 6: Final answer
    x = 270,546.13

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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.