Home / 712,813.62-1,069,119.95-180,301.80

Finding the Fourth Proportional to 712,813.62, 1,069,119.95 and 180,301.80

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Solution

The fourth proportional to 712,813.62, 1,069,119.95 and 180,301.80 is: 270,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,813.62 : 1,069,119.95 = 180,301.80 : x
  2. Step 2: Convert to fraction form
    712,813.62/1,069,119.95 = 180,301.80/x
  3. Step 3: Cross multiply
    712,813.62x = 1,069,119.95 × 180,301.80
  4. Step 4: Simplify right side
    712,813.62x = 192,764,250,499.40
  5. Step 5: Solve for x
    x = 192,764,250,499.40/712,813.62
  6. Step 6: Final answer
    x = 270,427.28

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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.