Home / 749,057-1,123,733.74-243,585.40

Finding the Fourth Proportional to 749,057, 1,123,733.74 and 243,585.40

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Solution

The fourth proportional to 749,057, 1,123,733.74 and 243,585.40 is: 365,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,057 : 1,123,733.74 = 243,585.40 : x
  2. Step 2: Convert to fraction form
    749,057/1,123,733.74 = 243,585.40/x
  3. Step 3: Cross multiply
    749,057x = 1,123,733.74 × 243,585.40
  4. Step 4: Simplify right side
    749,057x = 273,725,132,551.40
  5. Step 5: Solve for x
    x = 273,725,132,551.40/749,057
  6. Step 6: Final answer
    x = 365,426.31

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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.