Home / 805,246.40-1,111,261.44-437,748.39

Finding the Fourth Proportional to 805,246.40, 1,111,261.44 and 437,748.39

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Solution

The fourth proportional to 805,246.40, 1,111,261.44 and 437,748.39 is: 604,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,246.40 : 1,111,261.44 = 437,748.39 : x
  2. Step 2: Convert to fraction form
    805,246.40/1,111,261.44 = 437,748.39/x
  3. Step 3: Cross multiply
    805,246.40x = 1,111,261.44 × 437,748.39
  4. Step 4: Simplify right side
    805,246.40x = 486,452,906,229.08
  5. Step 5: Solve for x
    x = 486,452,906,229.08/805,246.40
  6. Step 6: Final answer
    x = 604,104.42

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1.5x scale

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.