Home / 559,970.12-772,739.52-318,248.48

Finding the Fourth Proportional to 559,970.12, 772,739.52 and 318,248.48

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Solution

The fourth proportional to 559,970.12, 772,739.52 and 318,248.48 is: 439,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,970.12 : 772,739.52 = 318,248.48 : x
  2. Step 2: Convert to fraction form
    559,970.12/772,739.52 = 318,248.48/x
  3. Step 3: Cross multiply
    559,970.12x = 772,739.52 × 318,248.48
  4. Step 4: Simplify right side
    559,970.12x = 245,923,177,675.93
  5. Step 5: Solve for x
    x = 245,923,177,675.93/559,970.12
  6. Step 6: Final answer
    x = 439,171.96

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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.