Home / 805,425.93-1,111,516.32-442,877.52

Finding the Fourth Proportional to 805,425.93, 1,111,516.32 and 442,877.52

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Solution

The fourth proportional to 805,425.93, 1,111,516.32 and 442,877.52 is: 611,186.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,425.93 : 1,111,516.32 = 442,877.52 : x
  2. Step 2: Convert to fraction form
    805,425.93/1,111,516.32 = 442,877.52/x
  3. Step 3: Cross multiply
    805,425.93x = 1,111,516.32 × 442,877.52
  4. Step 4: Simplify right side
    805,425.93x = 492,265,597,070.10
  5. Step 5: Solve for x
    x = 492,265,597,070.10/805,425.93
  6. Step 6: Final answer
    x = 611,186.68

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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.