Home / 966,648.48-1,449,174.36-426,520.20

Finding the Fourth Proportional to 966,648.48, 1,449,174.36 and 426,520.20

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Solution

The fourth proportional to 966,648.48, 1,449,174.36 and 426,520.20 is: 639,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,648.48 : 1,449,174.36 = 426,520.20 : x
  2. Step 2: Convert to fraction form
    966,648.48/1,449,174.36 = 426,520.20/x
  3. Step 3: Cross multiply
    966,648.48x = 1,449,174.36 × 426,520.20
  4. Step 4: Simplify right side
    966,648.48x = 618,102,137,862.07
  5. Step 5: Solve for x
    x = 618,102,137,862.07/966,648.48
  6. Step 6: Final answer
    x = 639,428.03

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Double scale
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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.