Home / 727,596.11-1,090,566.54-442,658.55

Finding the Fourth Proportional to 727,596.11, 1,090,566.54 and 442,658.55

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Solution

The fourth proportional to 727,596.11, 1,090,566.54 and 442,658.55 is: 663,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,596.11 : 1,090,566.54 = 442,658.55 : x
  2. Step 2: Convert to fraction form
    727,596.11/1,090,566.54 = 442,658.55/x
  3. Step 3: Cross multiply
    727,596.11x = 1,090,566.54 × 442,658.55
  4. Step 4: Simplify right side
    727,596.11x = 482,748,603,274.92
  5. Step 5: Solve for x
    x = 482,748,603,274.92/727,596.11
  6. Step 6: Final answer
    x = 663,484.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.