Home / 982,285.78-1,355,540.25-546,700.18

Finding the Fourth Proportional to 982,285.78, 1,355,540.25 and 546,700.18

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Solution

The fourth proportional to 982,285.78, 1,355,540.25 and 546,700.18 is: 754,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,285.78 : 1,355,540.25 = 546,700.18 : x
  2. Step 2: Convert to fraction form
    982,285.78/1,355,540.25 = 546,700.18/x
  3. Step 3: Cross multiply
    982,285.78x = 1,355,540.25 × 546,700.18
  4. Step 4: Simplify right side
    982,285.78x = 741,074,098,672.25
  5. Step 5: Solve for x
    x = 741,074,098,672.25/982,285.78
  6. Step 6: Final answer
    x = 754,438.39

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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.