Home / 706,699.50-1,060,399.53-280,226.18

Finding the Fourth Proportional to 706,699.50, 1,060,399.53 and 280,226.18

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Solution

The fourth proportional to 706,699.50, 1,060,399.53 and 280,226.18 is: 420,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,699.50 : 1,060,399.53 = 280,226.18 : x
  2. Step 2: Convert to fraction form
    706,699.50/1,060,399.53 = 280,226.18/x
  3. Step 3: Cross multiply
    706,699.50x = 1,060,399.53 × 280,226.18
  4. Step 4: Simplify right side
    706,699.50x = 297,151,712,216.69
  5. Step 5: Solve for x
    x = 297,151,712,216.69/706,699.50
  6. Step 6: Final answer
    x = 420,478.17

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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.