Home / 845,974.20-1,268,654.10-425,110.20

Finding the Fourth Proportional to 845,974.20, 1,268,654.10 and 425,110.20

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Solution

The fourth proportional to 845,974.20, 1,268,654.10 and 425,110.20 is: 637,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,974.20 : 1,268,654.10 = 425,110.20 : x
  2. Step 2: Convert to fraction form
    845,974.20/1,268,654.10 = 425,110.20/x
  3. Step 3: Cross multiply
    845,974.20x = 1,268,654.10 × 425,110.20
  4. Step 4: Simplify right side
    845,974.20x = 539,317,798,181.82
  5. Step 5: Solve for x
    x = 539,317,798,181.82/845,974.20
  6. Step 6: Final answer
    x = 637,510.93

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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.