Home / 891,015.52-1,336,456.12-283,779.34

Finding the Fourth Proportional to 891,015.52, 1,336,456.12 and 283,779.34

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Solution

The fourth proportional to 891,015.52, 1,336,456.12 and 283,779.34 is: 425,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,015.52 : 1,336,456.12 = 283,779.34 : x
  2. Step 2: Convert to fraction form
    891,015.52/1,336,456.12 = 283,779.34/x
  3. Step 3: Cross multiply
    891,015.52x = 1,336,456.12 × 283,779.34
  4. Step 4: Simplify right side
    891,015.52x = 379,258,635,672.56
  5. Step 5: Solve for x
    x = 379,258,635,672.56/891,015.52
  6. Step 6: Final answer
    x = 425,647.62

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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.