Home / 767,423.57-1,150,643.34-318,454.34

Finding the Fourth Proportional to 767,423.57, 1,150,643.34 and 318,454.34

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Solution

The fourth proportional to 767,423.57, 1,150,643.34 and 318,454.34 is: 477,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,423.57 : 1,150,643.34 = 318,454.34 : x
  2. Step 2: Convert to fraction form
    767,423.57/1,150,643.34 = 318,454.34/x
  3. Step 3: Cross multiply
    767,423.57x = 1,150,643.34 × 318,454.34
  4. Step 4: Simplify right side
    767,423.57x = 366,427,359,661.88
  5. Step 5: Solve for x
    x = 366,427,359,661.88/767,423.57
  6. Step 6: Final answer
    x = 477,477.34

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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.