Home / 877,216.30-1,316,261.85-498,427.90

Finding the Fourth Proportional to 877,216.30, 1,316,261.85 and 498,427.90

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Solution

The fourth proportional to 877,216.30, 1,316,261.85 and 498,427.90 is: 747,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,216.30 : 1,316,261.85 = 498,427.90 : x
  2. Step 2: Convert to fraction form
    877,216.30/1,316,261.85 = 498,427.90/x
  3. Step 3: Cross multiply
    877,216.30x = 1,316,261.85 × 498,427.90
  4. Step 4: Simplify right side
    877,216.30x = 656,061,629,745.62
  5. Step 5: Solve for x
    x = 656,061,629,745.62/877,216.30
  6. Step 6: Final answer
    x = 747,890.38

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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.