Home / 559,634.00-772,272.38-304,979.72

Finding the Fourth Proportional to 559,634.00, 772,272.38 and 304,979.72

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Solution

The fourth proportional to 559,634.00, 772,272.38 and 304,979.72 is: 420,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,634.00 : 772,272.38 = 304,979.72 : x
  2. Step 2: Convert to fraction form
    559,634.00/772,272.38 = 304,979.72/x
  3. Step 3: Cross multiply
    559,634.00x = 772,272.38 × 304,979.72
  4. Step 4: Simplify right side
    559,634.00x = 235,527,411,117.22
  5. Step 5: Solve for x
    x = 235,527,411,117.22/559,634.00
  6. Step 6: Final answer
    x = 420,859.73

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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.