Home / 805,501.41-1,111,568.44-442,924.89

Finding the Fourth Proportional to 805,501.41, 1,111,568.44 and 442,924.89

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Solution

The fourth proportional to 805,501.41, 1,111,568.44 and 442,924.89 is: 611,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,501.41 : 1,111,568.44 = 442,924.89 : x
  2. Step 2: Convert to fraction form
    805,501.41/1,111,568.44 = 442,924.89/x
  3. Step 3: Cross multiply
    805,501.41x = 1,111,568.44 × 442,924.89
  4. Step 4: Simplify right side
    805,501.41x = 492,341,329,014.47
  5. Step 5: Solve for x
    x = 492,341,329,014.47/805,501.41
  6. Step 6: Final answer
    x = 611,223.42

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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.