Home / 738,529.47-1,107,350.49-288,714.60

Finding the Fourth Proportional to 738,529.47, 1,107,350.49 and 288,714.60

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Solution

The fourth proportional to 738,529.47, 1,107,350.49 and 288,714.60 is: 432,898.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,529.47 : 1,107,350.49 = 288,714.60 : x
  2. Step 2: Convert to fraction form
    738,529.47/1,107,350.49 = 288,714.60/x
  3. Step 3: Cross multiply
    738,529.47x = 1,107,350.49 × 288,714.60
  4. Step 4: Simplify right side
    738,529.47x = 319,708,253,780.15
  5. Step 5: Solve for x
    x = 319,708,253,780.15/738,529.47
  6. Step 6: Final answer
    x = 432,898.44

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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.