Home / 756,425.48-1,134,721.23-377,441.60

Finding the Fourth Proportional to 756,425.48, 1,134,721.23 and 377,441.60

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Solution

The fourth proportional to 756,425.48, 1,134,721.23 and 377,441.60 is: 566,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,425.48 : 1,134,721.23 = 377,441.60 : x
  2. Step 2: Convert to fraction form
    756,425.48/1,134,721.23 = 377,441.60/x
  3. Step 3: Cross multiply
    756,425.48x = 1,134,721.23 × 377,441.60
  4. Step 4: Simplify right side
    756,425.48x = 428,290,990,931.56
  5. Step 5: Solve for x
    x = 428,290,990,931.56/756,425.48
  6. Step 6: Final answer
    x = 566,203.82

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Double scale
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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.