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Finding the Fourth Proportional to 886,969.71, 1,330,479.14 and 255,883.50

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Solution

The fourth proportional to 886,969.71, 1,330,479.14 and 255,883.50 is: 383,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,969.71 : 1,330,479.14 = 255,883.50 : x
  2. Step 2: Convert to fraction form
    886,969.71/1,330,479.14 = 255,883.50/x
  3. Step 3: Cross multiply
    886,969.71x = 1,330,479.14 × 255,883.50
  4. Step 4: Simplify right side
    886,969.71x = 340,447,657,740.77
  5. Step 5: Solve for x
    x = 340,447,657,740.77/886,969.71
  6. Step 6: Final answer
    x = 383,832.34

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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.