Home / 704,524.83-1,055,427.17-420,442.40

Finding the Fourth Proportional to 704,524.83, 1,055,427.17 and 420,442.40

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Solution

The fourth proportional to 704,524.83, 1,055,427.17 and 420,442.40 is: 629,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,524.83 : 1,055,427.17 = 420,442.40 : x
  2. Step 2: Convert to fraction form
    704,524.83/1,055,427.17 = 420,442.40/x
  3. Step 3: Cross multiply
    704,524.83x = 1,055,427.17 × 420,442.40
  4. Step 4: Simplify right side
    704,524.83x = 443,746,325,000.66
  5. Step 5: Solve for x
    x = 443,746,325,000.66/704,524.83
  6. Step 6: Final answer
    x = 629,851.93

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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.