Home / 749,971.37-1,125,174.92-270,190.06

Finding the Fourth Proportional to 749,971.37, 1,125,174.92 and 270,190.06

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Solution

The fourth proportional to 749,971.37, 1,125,174.92 and 270,190.06 is: 405,363.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,971.37 : 1,125,174.92 = 270,190.06 : x
  2. Step 2: Convert to fraction form
    749,971.37/1,125,174.92 = 270,190.06/x
  3. Step 3: Cross multiply
    749,971.37x = 1,125,174.92 × 270,190.06
  4. Step 4: Simplify right side
    749,971.37x = 304,011,074,981.41
  5. Step 5: Solve for x
    x = 304,011,074,981.41/749,971.37
  6. Step 6: Final answer
    x = 405,363.57

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Double scale
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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.