Home / 559,973.12-772,743.66-318,251.48

Finding the Fourth Proportional to 559,973.12, 772,743.66 and 318,251.48

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Solution

The fourth proportional to 559,973.12, 772,743.66 and 318,251.48 is: 439,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,973.12 : 772,743.66 = 318,251.48 : x
  2. Step 2: Convert to fraction form
    559,973.12/772,743.66 = 318,251.48/x
  3. Step 3: Cross multiply
    559,973.12x = 772,743.66 × 318,251.48
  4. Step 4: Simplify right side
    559,973.12x = 245,926,813,455.62
  5. Step 5: Solve for x
    x = 245,926,813,455.62/559,973.12
  6. Step 6: Final answer
    x = 439,176.10

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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.