Home / 584,639.44-877,229.80-318,082.40

Finding the Fourth Proportional to 584,639.44, 877,229.80 and 318,082.40

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Solution

The fourth proportional to 584,639.44, 877,229.80 and 318,082.40 is: 477,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,639.44 : 877,229.80 = 318,082.40 : x
  2. Step 2: Convert to fraction form
    584,639.44/877,229.80 = 318,082.40/x
  3. Step 3: Cross multiply
    584,639.44x = 877,229.80 × 318,082.40
  4. Step 4: Simplify right side
    584,639.44x = 279,031,360,135.52
  5. Step 5: Solve for x
    x = 279,031,360,135.52/584,639.44
  6. Step 6: Final answer
    x = 477,270.85

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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.