Home / 787,465.98-1,180,239.33-408,177.60

Finding the Fourth Proportional to 787,465.98, 1,180,239.33 and 408,177.60

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Solution

The fourth proportional to 787,465.98, 1,180,239.33 and 408,177.60 is: 611,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,465.98 : 1,180,239.33 = 408,177.60 : x
  2. Step 2: Convert to fraction form
    787,465.98/1,180,239.33 = 408,177.60/x
  3. Step 3: Cross multiply
    787,465.98x = 1,180,239.33 × 408,177.60
  4. Step 4: Simplify right side
    787,465.98x = 481,747,257,145.01
  5. Step 5: Solve for x
    x = 481,747,257,145.01/787,465.98
  6. Step 6: Final answer
    x = 611,768.98

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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.