Home / 805,049.32-1,110,970.38-442,510.32

Finding the Fourth Proportional to 805,049.32, 1,110,970.38 and 442,510.32

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Solution

The fourth proportional to 805,049.32, 1,110,970.38 and 442,510.32 is: 610,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,049.32 : 1,110,970.38 = 442,510.32 : x
  2. Step 2: Convert to fraction form
    805,049.32/1,110,970.38 = 442,510.32/x
  3. Step 3: Cross multiply
    805,049.32x = 1,110,970.38 × 442,510.32
  4. Step 4: Simplify right side
    805,049.32x = 491,615,858,364.32
  5. Step 5: Solve for x
    x = 491,615,858,364.32/805,049.32
  6. Step 6: Final answer
    x = 610,665.52

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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.