Home / 706,705.01-1,060,407.78-280,231.68

Finding the Fourth Proportional to 706,705.01, 1,060,407.78 and 280,231.68

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Solution

The fourth proportional to 706,705.01, 1,060,407.78 and 280,231.68 is: 420,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,705.01 : 1,060,407.78 = 280,231.68 : x
  2. Step 2: Convert to fraction form
    706,705.01/1,060,407.78 = 280,231.68/x
  3. Step 3: Cross multiply
    706,705.01x = 1,060,407.78 × 280,231.68
  4. Step 4: Simplify right side
    706,705.01x = 297,159,853,674.47
  5. Step 5: Solve for x
    x = 297,159,853,674.47/706,705.01
  6. Step 6: Final answer
    x = 420,486.41

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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.