Home / 738,863.56-1,108,023.18-265,421.80

Finding the Fourth Proportional to 738,863.56, 1,108,023.18 and 265,421.80

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Solution

The fourth proportional to 738,863.56, 1,108,023.18 and 265,421.80 is: 398,034.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,863.56 : 1,108,023.18 = 265,421.80 : x
  2. Step 2: Convert to fraction form
    738,863.56/1,108,023.18 = 265,421.80/x
  3. Step 3: Cross multiply
    738,863.56x = 1,108,023.18 × 265,421.80
  4. Step 4: Simplify right side
    738,863.56x = 294,093,506,877.32
  5. Step 5: Solve for x
    x = 294,093,506,877.32/738,863.56
  6. Step 6: Final answer
    x = 398,034.93

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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.