Home / 631,544.08-871,531.60-345,064.17

Finding the Fourth Proportional to 631,544.08, 871,531.60 and 345,064.17

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Solution

The fourth proportional to 631,544.08, 871,531.60 and 345,064.17 is: 476,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,544.08 : 871,531.60 = 345,064.17 : x
  2. Step 2: Convert to fraction form
    631,544.08/871,531.60 = 345,064.17/x
  3. Step 3: Cross multiply
    631,544.08x = 871,531.60 × 345,064.17
  4. Step 4: Simplify right side
    631,544.08x = 300,734,326,332.99
  5. Step 5: Solve for x
    x = 300,734,326,332.99/631,544.08
  6. Step 6: Final answer
    x = 476,188.97

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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.