Home / 834,313.78-1,151,377.30-471,729.85

Finding the Fourth Proportional to 834,313.78, 1,151,377.30 and 471,729.85

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Solution

The fourth proportional to 834,313.78, 1,151,377.30 and 471,729.85 is: 651,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,313.78 : 1,151,377.30 = 471,729.85 : x
  2. Step 2: Convert to fraction form
    834,313.78/1,151,377.30 = 471,729.85/x
  3. Step 3: Cross multiply
    834,313.78x = 1,151,377.30 × 471,729.85
  4. Step 4: Simplify right side
    834,313.78x = 543,139,041,022.41
  5. Step 5: Solve for x
    x = 543,139,041,022.41/834,313.78
  6. Step 6: Final answer
    x = 651,000.92

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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.