Home / 631,922.10-872,052.57-345,443.46

Finding the Fourth Proportional to 631,922.10, 872,052.57 and 345,443.46

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Solution

The fourth proportional to 631,922.10, 872,052.57 and 345,443.46 is: 476,712.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,922.10 : 872,052.57 = 345,443.46 : x
  2. Step 2: Convert to fraction form
    631,922.10/872,052.57 = 345,443.46/x
  3. Step 3: Cross multiply
    631,922.10x = 872,052.57 × 345,443.46
  4. Step 4: Simplify right side
    631,922.10x = 301,244,857,082.69
  5. Step 5: Solve for x
    x = 301,244,857,082.69/631,922.10
  6. Step 6: Final answer
    x = 476,712.01

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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.