Home / 631,675.04-871,722.96-345,207.20

Finding the Fourth Proportional to 631,675.04, 871,722.96 and 345,207.20

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Solution

The fourth proportional to 631,675.04, 871,722.96 and 345,207.20 is: 476,392.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,675.04 : 871,722.96 = 345,207.20 : x
  2. Step 2: Convert to fraction form
    631,675.04/871,722.96 = 345,207.20/x
  3. Step 3: Cross multiply
    631,675.04x = 871,722.96 × 345,207.20
  4. Step 4: Simplify right side
    631,675.04x = 300,925,042,197.31
  5. Step 5: Solve for x
    x = 300,925,042,197.31/631,675.04
  6. Step 6: Final answer
    x = 476,392.17

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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.