Home / 804,987.32-1,110,909.13-442,424.03

Finding the Fourth Proportional to 804,987.32, 1,110,909.13 and 442,424.03

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Solution

The fourth proportional to 804,987.32, 1,110,909.13 and 442,424.03 is: 610,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,987.32 : 1,110,909.13 = 442,424.03 : x
  2. Step 2: Convert to fraction form
    804,987.32/1,110,909.13 = 442,424.03/x
  3. Step 3: Cross multiply
    804,987.32x = 1,110,909.13 × 442,424.03
  4. Step 4: Simplify right side
    804,987.32x = 491,492,887,597.79
  5. Step 5: Solve for x
    x = 491,492,887,597.79/804,987.32
  6. Step 6: Final answer
    x = 610,559.79

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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.