Home / 637,205.46-879,336.60-350,719.38

Finding the Fourth Proportional to 637,205.46, 879,336.60 and 350,719.38

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Solution

The fourth proportional to 637,205.46, 879,336.60 and 350,719.38 is: 483,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,205.46 : 879,336.60 = 350,719.38 : x
  2. Step 2: Convert to fraction form
    637,205.46/879,336.60 = 350,719.38/x
  3. Step 3: Cross multiply
    637,205.46x = 879,336.60 × 350,719.38
  4. Step 4: Simplify right side
    637,205.46x = 308,400,387,163.31
  5. Step 5: Solve for x
    x = 308,400,387,163.31/637,205.46
  6. Step 6: Final answer
    x = 483,988.93

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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.