Home / 631,424.16-871,351.08-344,945.52

Finding the Fourth Proportional to 631,424.16, 871,351.08 and 344,945.52

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Solution

The fourth proportional to 631,424.16, 871,351.08 and 344,945.52 is: 476,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,424.16 : 871,351.08 = 344,945.52 : x
  2. Step 2: Convert to fraction form
    631,424.16/871,351.08 = 344,945.52/x
  3. Step 3: Cross multiply
    631,424.16x = 871,351.08 × 344,945.52
  4. Step 4: Simplify right side
    631,424.16x = 300,568,651,393.16
  5. Step 5: Solve for x
    x = 300,568,651,393.16/631,424.16
  6. Step 6: Final answer
    x = 476,017.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.