Home / 805,045.31-1,110,964.86-442,506.32

Finding the Fourth Proportional to 805,045.31, 1,110,964.86 and 442,506.32

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Solution

The fourth proportional to 805,045.31, 1,110,964.86 and 442,506.32 is: 610,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,045.31 : 1,110,964.86 = 442,506.32 : x
  2. Step 2: Convert to fraction form
    805,045.31/1,110,964.86 = 442,506.32/x
  3. Step 3: Cross multiply
    805,045.31x = 1,110,964.86 × 442,506.32
  4. Step 4: Simplify right side
    805,045.31x = 491,608,971,847.92
  5. Step 5: Solve for x
    x = 491,608,971,847.92/805,045.31
  6. Step 6: Final answer
    x = 610,660.00

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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.