Home / 631,170.16-871,010.21-344,690.17

Finding the Fourth Proportional to 631,170.16, 871,010.21 and 344,690.17

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Solution

The fourth proportional to 631,170.16, 871,010.21 and 344,690.17 is: 475,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,170.16 : 871,010.21 = 344,690.17 : x
  2. Step 2: Convert to fraction form
    631,170.16/871,010.21 = 344,690.17/x
  3. Step 3: Cross multiply
    631,170.16x = 871,010.21 × 344,690.17
  4. Step 4: Simplify right side
    631,170.16x = 300,228,656,040.84
  5. Step 5: Solve for x
    x = 300,228,656,040.84/631,170.16
  6. Step 6: Final answer
    x = 475,669.92

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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.