Home / 749,139.50-1,123,709.26-223,827.50

Finding the Fourth Proportional to 749,139.50, 1,123,709.26 and 223,827.50

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Solution

The fourth proportional to 749,139.50, 1,123,709.26 and 223,827.50 is: 335,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,139.50 : 1,123,709.26 = 223,827.50 : x
  2. Step 2: Convert to fraction form
    749,139.50/1,123,709.26 = 223,827.50/x
  3. Step 3: Cross multiply
    749,139.50x = 1,123,709.26 × 223,827.50
  4. Step 4: Simplify right side
    749,139.50x = 251,517,034,392.65
  5. Step 5: Solve for x
    x = 251,517,034,392.65/749,139.50
  6. Step 6: Final answer
    x = 335,741.25

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Double scale
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Similar ratio
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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.