Home / 611,822.66-844,314.50-339,915.65

Finding the Fourth Proportional to 611,822.66, 844,314.50 and 339,915.65

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Solution

The fourth proportional to 611,822.66, 844,314.50 and 339,915.65 is: 469,083.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,822.66 : 844,314.50 = 339,915.65 : x
  2. Step 2: Convert to fraction form
    611,822.66/844,314.50 = 339,915.65/x
  3. Step 3: Cross multiply
    611,822.66x = 844,314.50 × 339,915.65
  4. Step 4: Simplify right side
    611,822.66x = 286,995,708,700.14
  5. Step 5: Solve for x
    x = 286,995,708,700.14/611,822.66
  6. Step 6: Final answer
    x = 469,083.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.