Home / 712,901.82-1,069,520.40-207,473.70

Finding the Fourth Proportional to 712,901.82, 1,069,520.40 and 207,473.70

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Solution

The fourth proportional to 712,901.82, 1,069,520.40 and 207,473.70 is: 311,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,901.82 : 1,069,520.40 = 207,473.70 : x
  2. Step 2: Convert to fraction form
    712,901.82/1,069,520.40 = 207,473.70/x
  3. Step 3: Cross multiply
    712,901.82x = 1,069,520.40 × 207,473.70
  4. Step 4: Simplify right side
    712,901.82x = 221,897,354,613.48
  5. Step 5: Solve for x
    x = 221,897,354,613.48/712,901.82
  6. Step 6: Final answer
    x = 311,259.35

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1.5x scale

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.