Home / 997,680.55-1,376,799.11-538,795.08

Finding the Fourth Proportional to 997,680.55, 1,376,799.11 and 538,795.08

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Solution

The fourth proportional to 997,680.55, 1,376,799.11 and 538,795.08 is: 743,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,680.55 : 1,376,799.11 = 538,795.08 : x
  2. Step 2: Convert to fraction form
    997,680.55/1,376,799.11 = 538,795.08/x
  3. Step 3: Cross multiply
    997,680.55x = 1,376,799.11 × 538,795.08
  4. Step 4: Simplify right side
    997,680.55x = 741,812,591,330.49
  5. Step 5: Solve for x
    x = 741,812,591,330.49/997,680.55
  6. Step 6: Final answer
    x = 743,537.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.