Home / 559,780.04-772,467.31-318,029.06

Finding the Fourth Proportional to 559,780.04, 772,467.31 and 318,029.06

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Solution

The fourth proportional to 559,780.04, 772,467.31 and 318,029.06 is: 438,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,780.04 : 772,467.31 = 318,029.06 : x
  2. Step 2: Convert to fraction form
    559,780.04/772,467.31 = 318,029.06/x
  3. Step 3: Cross multiply
    559,780.04x = 772,467.31 × 318,029.06
  4. Step 4: Simplify right side
    559,780.04x = 245,667,054,808.73
  5. Step 5: Solve for x
    x = 245,667,054,808.73/559,780.04
  6. Step 6: Final answer
    x = 438,863.55

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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.