Home / 631,931.60-871,968.06-359,964.94

Finding the Fourth Proportional to 631,931.60, 871,968.06 and 359,964.94

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Solution

The fourth proportional to 631,931.60, 871,968.06 and 359,964.94 is: 496,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,931.60 : 871,968.06 = 359,964.94 : x
  2. Step 2: Convert to fraction form
    631,931.60/871,968.06 = 359,964.94/x
  3. Step 3: Cross multiply
    631,931.60x = 871,968.06 × 359,964.94
  4. Step 4: Simplify right side
    631,931.60x = 313,877,928,414.83
  5. Step 5: Solve for x
    x = 313,877,928,414.83/631,931.60
  6. Step 6: Final answer
    x = 496,696.05

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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.