Home / 631,356.16-871,257-344,877.52

Finding the Fourth Proportional to 631,356.16, 871,257 and 344,877.52

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Solution

The fourth proportional to 631,356.16, 871,257 and 344,877.52 is: 475,923.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,356.16 : 871,257 = 344,877.52 : x
  2. Step 2: Convert to fraction form
    631,356.16/871,257 = 344,877.52/x
  3. Step 3: Cross multiply
    631,356.16x = 871,257 × 344,877.52
  4. Step 4: Simplify right side
    631,356.16x = 300,476,953,442.64
  5. Step 5: Solve for x
    x = 300,476,953,442.64/631,356.16
  6. Step 6: Final answer
    x = 475,923.06

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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.