Home / 787,069.88-1,180,604.82-434,325.91

Finding the Fourth Proportional to 787,069.88, 1,180,604.82 and 434,325.91

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Solution

The fourth proportional to 787,069.88, 1,180,604.82 and 434,325.91 is: 651,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,069.88 : 1,180,604.82 = 434,325.91 : x
  2. Step 2: Convert to fraction form
    787,069.88/1,180,604.82 = 434,325.91/x
  3. Step 3: Cross multiply
    787,069.88x = 1,180,604.82 × 434,325.91
  4. Step 4: Simplify right side
    787,069.88x = 512,767,262,796.89
  5. Step 5: Solve for x
    x = 512,767,262,796.89/787,069.88
  6. Step 6: Final answer
    x = 651,488.87

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Similar ratio
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1.5x scale

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.