Home / 549,789.40-824,705.88-261,531.80

Finding the Fourth Proportional to 549,789.40, 824,705.88 and 261,531.80

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Solution

The fourth proportional to 549,789.40, 824,705.88 and 261,531.80 is: 392,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,789.40 : 824,705.88 = 261,531.80 : x
  2. Step 2: Convert to fraction form
    549,789.40/824,705.88 = 261,531.80/x
  3. Step 3: Cross multiply
    549,789.40x = 824,705.88 × 261,531.80
  4. Step 4: Simplify right side
    549,789.40x = 215,686,813,266.98
  5. Step 5: Solve for x
    x = 215,686,813,266.98/549,789.40
  6. Step 6: Final answer
    x = 392,308.06

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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.