Home / 712,954.82-1,069,599.90-207,526.70

Finding the Fourth Proportional to 712,954.82, 1,069,599.90 and 207,526.70

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Solution

The fourth proportional to 712,954.82, 1,069,599.90 and 207,526.70 is: 311,338.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,954.82 : 1,069,599.90 = 207,526.70 : x
  2. Step 2: Convert to fraction form
    712,954.82/1,069,599.90 = 207,526.70/x
  3. Step 3: Cross multiply
    712,954.82x = 1,069,599.90 × 207,526.70
  4. Step 4: Simplify right side
    712,954.82x = 221,970,537,567.33
  5. Step 5: Solve for x
    x = 221,970,537,567.33/712,954.82
  6. Step 6: Final answer
    x = 311,338.86

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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.