Home / 706,701.38-1,060,402.34-280,228.06

Finding the Fourth Proportional to 706,701.38, 1,060,402.34 and 280,228.06

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Solution

The fourth proportional to 706,701.38, 1,060,402.34 and 280,228.06 is: 420,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,701.38 : 1,060,402.34 = 280,228.06 : x
  2. Step 2: Convert to fraction form
    706,701.38/1,060,402.34 = 280,228.06/x
  3. Step 3: Cross multiply
    706,701.38x = 1,060,402.34 × 280,228.06
  4. Step 4: Simplify right side
    706,701.38x = 297,154,488,607.23
  5. Step 5: Solve for x
    x = 297,154,488,607.23/706,701.38
  6. Step 6: Final answer
    x = 420,480.98

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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.