Home / 877,773.71-1,317,040.87-309,560.84

Finding the Fourth Proportional to 877,773.71, 1,317,040.87 and 309,560.84

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Solution

The fourth proportional to 877,773.71, 1,317,040.87 and 309,560.84 is: 464,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,773.71 : 1,317,040.87 = 309,560.84 : x
  2. Step 2: Convert to fraction form
    877,773.71/1,317,040.87 = 309,560.84/x
  3. Step 3: Cross multiply
    877,773.71x = 1,317,040.87 × 309,560.84
  4. Step 4: Simplify right side
    877,773.71x = 407,704,278,031.53
  5. Step 5: Solve for x
    x = 407,704,278,031.53/877,773.71
  6. Step 6: Final answer
    x = 464,475.38

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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.