Home / 693,394.44-957,179.02-421,549.13

Finding the Fourth Proportional to 693,394.44, 957,179.02 and 421,549.13

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Solution

The fourth proportional to 693,394.44, 957,179.02 and 421,549.13 is: 581,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,394.44 : 957,179.02 = 421,549.13 : x
  2. Step 2: Convert to fraction form
    693,394.44/957,179.02 = 421,549.13/x
  3. Step 3: Cross multiply
    693,394.44x = 957,179.02 × 421,549.13
  4. Step 4: Simplify right side
    693,394.44x = 403,497,983,135.25
  5. Step 5: Solve for x
    x = 403,497,983,135.25/693,394.44
  6. Step 6: Final answer
    x = 581,916.96

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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.