Home / 631,261.12-871,224.24-401,841.76

Finding the Fourth Proportional to 631,261.12, 871,224.24 and 401,841.76

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Solution

The fourth proportional to 631,261.12, 871,224.24 and 401,841.76 is: 554,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,261.12 : 871,224.24 = 401,841.76 : x
  2. Step 2: Convert to fraction form
    631,261.12/871,224.24 = 401,841.76/x
  3. Step 3: Cross multiply
    631,261.12x = 871,224.24 × 401,841.76
  4. Step 4: Simplify right side
    631,261.12x = 350,094,281,956.26
  5. Step 5: Solve for x
    x = 350,094,281,956.26/631,261.12
  6. Step 6: Final answer
    x = 554,595.03

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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.