Home / 763,752.20-1,144,850.70-448,046.60

Finding the Fourth Proportional to 763,752.20, 1,144,850.70 and 448,046.60

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Solution

The fourth proportional to 763,752.20, 1,144,850.70 and 448,046.60 is: 671,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,752.20 : 1,144,850.70 = 448,046.60 : x
  2. Step 2: Convert to fraction form
    763,752.20/1,144,850.70 = 448,046.60/x
  3. Step 3: Cross multiply
    763,752.20x = 1,144,850.70 × 448,046.60
  4. Step 4: Simplify right side
    763,752.20x = 512,946,463,642.62
  5. Step 5: Solve for x
    x = 512,946,463,642.62/763,752.20
  6. Step 6: Final answer
    x = 671,613.73

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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.