Home / 787,864.40-1,181,820.64-308,073.04

Finding the Fourth Proportional to 787,864.40, 1,181,820.64 and 308,073.04

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Solution

The fourth proportional to 787,864.40, 1,181,820.64 and 308,073.04 is: 462,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,864.40 : 1,181,820.64 = 308,073.04 : x
  2. Step 2: Convert to fraction form
    787,864.40/1,181,820.64 = 308,073.04/x
  3. Step 3: Cross multiply
    787,864.40x = 1,181,820.64 × 308,073.04
  4. Step 4: Simplify right side
    787,864.40x = 364,087,077,299.55
  5. Step 5: Solve for x
    x = 364,087,077,299.55/787,864.40
  6. Step 6: Final answer
    x = 462,118.96

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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.