Home / 559,643.04-772,287.84-304,989.12

Finding the Fourth Proportional to 559,643.04, 772,287.84 and 304,989.12

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Solution

The fourth proportional to 559,643.04, 772,287.84 and 304,989.12 is: 420,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,643.04 : 772,287.84 = 304,989.12 : x
  2. Step 2: Convert to fraction form
    559,643.04/772,287.84 = 304,989.12/x
  3. Step 3: Cross multiply
    559,643.04x = 772,287.84 × 304,989.12
  4. Step 4: Simplify right side
    559,643.04x = 235,539,388,708.30
  5. Step 5: Solve for x
    x = 235,539,388,708.30/559,643.04
  6. Step 6: Final answer
    x = 420,874.33

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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.