Home / 729,948.60-1,094,145.30-280,495.80

Finding the Fourth Proportional to 729,948.60, 1,094,145.30 and 280,495.80

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Solution

The fourth proportional to 729,948.60, 1,094,145.30 and 280,495.80 is: 420,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,948.60 : 1,094,145.30 = 280,495.80 : x
  2. Step 2: Convert to fraction form
    729,948.60/1,094,145.30 = 280,495.80/x
  3. Step 3: Cross multiply
    729,948.60x = 1,094,145.30 × 280,495.80
  4. Step 4: Simplify right side
    729,948.60x = 306,903,161,239.74
  5. Step 5: Solve for x
    x = 306,903,161,239.74/729,948.60
  6. Step 6: Final answer
    x = 420,444.89

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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.