Home / 707,983.47-1,061,337.51-258,388.86

Finding the Fourth Proportional to 707,983.47, 1,061,337.51 and 258,388.86

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Solution

The fourth proportional to 707,983.47, 1,061,337.51 and 258,388.86 is: 387,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,983.47 : 1,061,337.51 = 258,388.86 : x
  2. Step 2: Convert to fraction form
    707,983.47/1,061,337.51 = 258,388.86/x
  3. Step 3: Cross multiply
    707,983.47x = 1,061,337.51 × 258,388.86
  4. Step 4: Simplify right side
    707,983.47x = 274,237,789,284.14
  5. Step 5: Solve for x
    x = 274,237,789,284.14/707,983.47
  6. Step 6: Final answer
    x = 387,350.55

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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.