Home / 816,049.55-1,126,160.09-448,560.72

Finding the Fourth Proportional to 816,049.55, 1,126,160.09 and 448,560.72

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Solution

The fourth proportional to 816,049.55, 1,126,160.09 and 448,560.72 is: 619,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,049.55 : 1,126,160.09 = 448,560.72 : x
  2. Step 2: Convert to fraction form
    816,049.55/1,126,160.09 = 448,560.72/x
  3. Step 3: Cross multiply
    816,049.55x = 1,126,160.09 × 448,560.72
  4. Step 4: Simplify right side
    816,049.55x = 505,151,178,562.86
  5. Step 5: Solve for x
    x = 505,151,178,562.86/816,049.55
  6. Step 6: Final answer
    x = 619,020.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.