Home / 572,799.24-790,482.78-318,174.12

Finding the Fourth Proportional to 572,799.24, 790,482.78 and 318,174.12

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Solution

The fourth proportional to 572,799.24, 790,482.78 and 318,174.12 is: 439,091.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,799.24 : 790,482.78 = 318,174.12 : x
  2. Step 2: Convert to fraction form
    572,799.24/790,482.78 = 318,174.12/x
  3. Step 3: Cross multiply
    572,799.24x = 790,482.78 × 318,174.12
  4. Step 4: Simplify right side
    572,799.24x = 251,511,162,901.65
  5. Step 5: Solve for x
    x = 251,511,162,901.65/572,799.24
  6. Step 6: Final answer
    x = 439,091.30

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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.