Home / 670,233.90-1,005,399.45-403,419.90

Finding the Fourth Proportional to 670,233.90, 1,005,399.45 and 403,419.90

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Solution

The fourth proportional to 670,233.90, 1,005,399.45 and 403,419.90 is: 605,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,233.90 : 1,005,399.45 = 403,419.90 : x
  2. Step 2: Convert to fraction form
    670,233.90/1,005,399.45 = 403,419.90/x
  3. Step 3: Cross multiply
    670,233.90x = 1,005,399.45 × 403,419.90
  4. Step 4: Simplify right side
    670,233.90x = 405,598,145,579.06
  5. Step 5: Solve for x
    x = 405,598,145,579.06/670,233.90
  6. Step 6: Final answer
    x = 605,159.10

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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.