Home / 637,390.10-879,581.27-350,912.34

Finding the Fourth Proportional to 637,390.10, 879,581.27 and 350,912.34

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Solution

The fourth proportional to 637,390.10, 879,581.27 and 350,912.34 is: 484,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,390.10 : 879,581.27 = 350,912.34 : x
  2. Step 2: Convert to fraction form
    637,390.10/879,581.27 = 350,912.34/x
  3. Step 3: Cross multiply
    637,390.10x = 879,581.27 × 350,912.34
  4. Step 4: Simplify right side
    637,390.10x = 308,655,919,921.31
  5. Step 5: Solve for x
    x = 308,655,919,921.31/637,390.10
  6. Step 6: Final answer
    x = 484,249.63

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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.