Home / 670,083.30-1,005,902.55-404,144.10

Finding the Fourth Proportional to 670,083.30, 1,005,902.55 and 404,144.10

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Solution

The fourth proportional to 670,083.30, 1,005,902.55 and 404,144.10 is: 606,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,083.30 : 1,005,902.55 = 404,144.10 : x
  2. Step 2: Convert to fraction form
    670,083.30/1,005,902.55 = 404,144.10/x
  3. Step 3: Cross multiply
    670,083.30x = 1,005,902.55 × 404,144.10
  4. Step 4: Simplify right side
    670,083.30x = 406,529,580,757.46
  5. Step 5: Solve for x
    x = 406,529,580,757.46/670,083.30
  6. Step 6: Final answer
    x = 606,685.14

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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.