Home / 805,500.91-1,111,567.75-442,924.39

Finding the Fourth Proportional to 805,500.91, 1,111,567.75 and 442,924.39

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Solution

The fourth proportional to 805,500.91, 1,111,567.75 and 442,924.39 is: 611,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,500.91 : 1,111,567.75 = 442,924.39 : x
  2. Step 2: Convert to fraction form
    805,500.91/1,111,567.75 = 442,924.39/x
  3. Step 3: Cross multiply
    805,500.91x = 1,111,567.75 × 442,924.39
  4. Step 4: Simplify right side
    805,500.91x = 492,340,467,612.42
  5. Step 5: Solve for x
    x = 492,340,467,612.42/805,500.91
  6. Step 6: Final answer
    x = 611,222.73

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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.