Home / 805,322.24-1,111,352.17-442,748.65

Finding the Fourth Proportional to 805,322.24, 1,111,352.17 and 442,748.65

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Solution

The fourth proportional to 805,322.24, 1,111,352.17 and 442,748.65 is: 610,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,322.24 : 1,111,352.17 = 442,748.65 : x
  2. Step 2: Convert to fraction form
    805,322.24/1,111,352.17 = 442,748.65/x
  3. Step 3: Cross multiply
    805,322.24x = 1,111,352.17 × 442,748.65
  4. Step 4: Simplify right side
    805,322.24x = 492,049,669,056.82
  5. Step 5: Solve for x
    x = 492,049,669,056.82/805,322.24
  6. Step 6: Final answer
    x = 610,997.25

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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.