Home / 749,328.55-1,124,003.49-243,892.20

Finding the Fourth Proportional to 749,328.55, 1,124,003.49 and 243,892.20

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Solution

The fourth proportional to 749,328.55, 1,124,003.49 and 243,892.20 is: 365,841.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,328.55 : 1,124,003.49 = 243,892.20 : x
  2. Step 2: Convert to fraction form
    749,328.55/1,124,003.49 = 243,892.20/x
  3. Step 3: Cross multiply
    749,328.55x = 1,124,003.49 × 243,892.20
  4. Step 4: Simplify right side
    749,328.55x = 274,135,683,983.78
  5. Step 5: Solve for x
    x = 274,135,683,983.78/749,328.55
  6. Step 6: Final answer
    x = 365,841.77

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Half scale
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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.