Home / 725,445.40-1,087,779.30-304,245.40

Finding the Fourth Proportional to 725,445.40, 1,087,779.30 and 304,245.40

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Solution

The fourth proportional to 725,445.40, 1,087,779.30 and 304,245.40 is: 456,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,445.40 : 1,087,779.30 = 304,245.40 : x
  2. Step 2: Convert to fraction form
    725,445.40/1,087,779.30 = 304,245.40/x
  3. Step 3: Cross multiply
    725,445.40x = 1,087,779.30 × 304,245.40
  4. Step 4: Simplify right side
    725,445.40x = 330,951,848,240.22
  5. Step 5: Solve for x
    x = 330,951,848,240.22/725,445.40
  6. Step 6: Final answer
    x = 456,205.04

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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.