Home / 743,381.04-1,115,026.40-263,632.64

Finding the Fourth Proportional to 743,381.04, 1,115,026.40 and 263,632.64

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Solution

The fourth proportional to 743,381.04, 1,115,026.40 and 263,632.64 is: 395,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,381.04 : 1,115,026.40 = 263,632.64 : x
  2. Step 2: Convert to fraction form
    743,381.04/1,115,026.40 = 263,632.64/x
  3. Step 3: Cross multiply
    743,381.04x = 1,115,026.40 × 263,632.64
  4. Step 4: Simplify right side
    743,381.04x = 293,957,353,501.70
  5. Step 5: Solve for x
    x = 293,957,353,501.70/743,381.04
  6. Step 6: Final answer
    x = 395,432.94

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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.