Home / 631,702.06-871,749.20-345,222.14

Finding the Fourth Proportional to 631,702.06, 871,749.20 and 345,222.14

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Solution

The fourth proportional to 631,702.06, 871,749.20 and 345,222.14 is: 476,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,702.06 : 871,749.20 = 345,222.14 : x
  2. Step 2: Convert to fraction form
    631,702.06/871,749.20 = 345,222.14/x
  3. Step 3: Cross multiply
    631,702.06x = 871,749.20 × 345,222.14
  4. Step 4: Simplify right side
    631,702.06x = 300,947,120,871.60
  5. Step 5: Solve for x
    x = 300,947,120,871.60/631,702.06
  6. Step 6: Final answer
    x = 476,406.74

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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.