Home / 738,523.44-1,107,341.52-288,708.54

Finding the Fourth Proportional to 738,523.44, 1,107,341.52 and 288,708.54

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Solution

The fourth proportional to 738,523.44, 1,107,341.52 and 288,708.54 is: 432,889.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,523.44 : 1,107,341.52 = 288,708.54 : x
  2. Step 2: Convert to fraction form
    738,523.44/1,107,341.52 = 288,708.54/x
  3. Step 3: Cross multiply
    738,523.44x = 1,107,341.52 × 288,708.54
  4. Step 4: Simplify right side
    738,523.44x = 319,698,953,520.58
  5. Step 5: Solve for x
    x = 319,698,953,520.58/738,523.44
  6. Step 6: Final answer
    x = 432,889.38

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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.