Home / 631,831.36-871,926.02-359,899.16

Finding the Fourth Proportional to 631,831.36, 871,926.02 and 359,899.16

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Solution

The fourth proportional to 631,831.36, 871,926.02 and 359,899.16 is: 496,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,831.36 : 871,926.02 = 359,899.16 : x
  2. Step 2: Convert to fraction form
    631,831.36/871,926.02 = 359,899.16/x
  3. Step 3: Cross multiply
    631,831.36x = 871,926.02 × 359,899.16
  4. Step 4: Simplify right side
    631,831.36x = 313,805,442,180.14
  5. Step 5: Solve for x
    x = 313,805,442,180.14/631,831.36
  6. Step 6: Final answer
    x = 496,660.12

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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.