Home / 637,225.46-879,364.20-350,739.38

Finding the Fourth Proportional to 637,225.46, 879,364.20 and 350,739.38

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Solution

The fourth proportional to 637,225.46, 879,364.20 and 350,739.38 is: 484,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,225.46 : 879,364.20 = 350,739.38 : x
  2. Step 2: Convert to fraction form
    637,225.46/879,364.20 = 350,739.38/x
  3. Step 3: Cross multiply
    637,225.46x = 879,364.20 × 350,739.38
  4. Step 4: Simplify right side
    637,225.46x = 308,427,654,302.20
  5. Step 5: Solve for x
    x = 308,427,654,302.20/637,225.46
  6. Step 6: Final answer
    x = 484,016.53

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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.