Home / 631,263.24-871,143.28-344,784.01

Finding the Fourth Proportional to 631,263.24, 871,143.28 and 344,784.01

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Solution

The fourth proportional to 631,263.24, 871,143.28 and 344,784.01 is: 475,801.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,263.24 : 871,143.28 = 344,784.01 : x
  2. Step 2: Convert to fraction form
    631,263.24/871,143.28 = 344,784.01/x
  3. Step 3: Cross multiply
    631,263.24x = 871,143.28 × 344,784.01
  4. Step 4: Simplify right side
    631,263.24x = 300,356,271,639.03
  5. Step 5: Solve for x
    x = 300,356,271,639.03/631,263.24
  6. Step 6: Final answer
    x = 475,801.94

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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.