Home / 876,774.80-1,314,773.40-403,605.20

Finding the Fourth Proportional to 876,774.80, 1,314,773.40 and 403,605.20

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Solution

The fourth proportional to 876,774.80, 1,314,773.40 and 403,605.20 is: 605,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,774.80 : 1,314,773.40 = 403,605.20 : x
  2. Step 2: Convert to fraction form
    876,774.80/1,314,773.40 = 403,605.20/x
  3. Step 3: Cross multiply
    876,774.80x = 1,314,773.40 × 403,605.20
  4. Step 4: Simplify right side
    876,774.80x = 530,649,381,061.68
  5. Step 5: Solve for x
    x = 530,649,381,061.68/876,774.80
  6. Step 6: Final answer
    x = 605,228.82

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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.