Home / 749,252.85-1,123,879.28-243,861.45

Finding the Fourth Proportional to 749,252.85, 1,123,879.28 and 243,861.45

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Solution

The fourth proportional to 749,252.85, 1,123,879.28 and 243,861.45 is: 365,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,252.85 : 1,123,879.28 = 243,861.45 : x
  2. Step 2: Convert to fraction form
    749,252.85/1,123,879.28 = 243,861.45/x
  3. Step 3: Cross multiply
    749,252.85x = 1,123,879.28 × 243,861.45
  4. Step 4: Simplify right side
    749,252.85x = 274,070,829,626.45
  5. Step 5: Solve for x
    x = 274,070,829,626.45/749,252.85
  6. Step 6: Final answer
    x = 365,792.18

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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.