Home / 637,400.56-879,595.76-350,922.80

Finding the Fourth Proportional to 637,400.56, 879,595.76 and 350,922.80

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Solution

The fourth proportional to 637,400.56, 879,595.76 and 350,922.80 is: 484,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,400.56 : 879,595.76 = 350,922.80 : x
  2. Step 2: Convert to fraction form
    637,400.56/879,595.76 = 350,922.80/x
  3. Step 3: Cross multiply
    637,400.56x = 879,595.76 × 350,922.80
  4. Step 4: Simplify right side
    637,400.56x = 308,670,206,967.33
  5. Step 5: Solve for x
    x = 308,670,206,967.33/637,400.56
  6. Step 6: Final answer
    x = 484,264.10

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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.