Home / 805,480.96-1,111,592.24-442,932.32

Finding the Fourth Proportional to 805,480.96, 1,111,592.24 and 442,932.32

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Solution

The fourth proportional to 805,480.96, 1,111,592.24 and 442,932.32 is: 611,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,480.96 : 1,111,592.24 = 442,932.32 : x
  2. Step 2: Convert to fraction form
    805,480.96/1,111,592.24 = 442,932.32/x
  3. Step 3: Cross multiply
    805,480.96x = 1,111,592.24 × 442,932.32
  4. Step 4: Simplify right side
    805,480.96x = 492,360,129,757.20
  5. Step 5: Solve for x
    x = 492,360,129,757.20/805,480.96
  6. Step 6: Final answer
    x = 611,262.28

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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.