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Finding the Fourth Proportional to 822,438.48, 1,230,246 and 772,050

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Solution

The fourth proportional to 822,438.48, 1,230,246 and 772,050 is: 1,154,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,438.48 : 1,230,246 = 772,050 : x
  2. Step 2: Convert to fraction form
    822,438.48/1,230,246 = 772,050/x
  3. Step 3: Cross multiply
    822,438.48x = 1,230,246 × 772,050
  4. Step 4: Simplify right side
    822,438.48x = 949,811,424,300
  5. Step 5: Solve for x
    x = 949,811,424,300/822,438.48
  6. Step 6: Final answer
    x = 1,154,872.31

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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.