Home / 877,972.23-1,315,941.80-403,662.15

Finding the Fourth Proportional to 877,972.23, 1,315,941.80 and 403,662.15

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Solution

The fourth proportional to 877,972.23, 1,315,941.80 and 403,662.15 is: 605,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,972.23 : 1,315,941.80 = 403,662.15 : x
  2. Step 2: Convert to fraction form
    877,972.23/1,315,941.80 = 403,662.15/x
  3. Step 3: Cross multiply
    877,972.23x = 1,315,941.80 × 403,662.15
  4. Step 4: Simplify right side
    877,972.23x = 531,195,894,244.56
  5. Step 5: Solve for x
    x = 531,195,894,244.56/877,972.23
  6. Step 6: Final answer
    x = 605,025.85

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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.