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Finding the Fourth Proportional to 888,465, 1,226,099.46 and 486,065.64

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Solution

The fourth proportional to 888,465, 1,226,099.46 and 486,065.64 is: 670,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,465 : 1,226,099.46 = 486,065.64 : x
  2. Step 2: Convert to fraction form
    888,465/1,226,099.46 = 486,065.64/x
  3. Step 3: Cross multiply
    888,465x = 1,226,099.46 × 486,065.64
  4. Step 4: Simplify right side
    888,465x = 595,964,818,728.56
  5. Step 5: Solve for x
    x = 595,964,818,728.56/888,465
  6. Step 6: Final answer
    x = 670,780.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.