Home / 843,056.20-1,163,426.74-461,074.78

Finding the Fourth Proportional to 843,056.20, 1,163,426.74 and 461,074.78

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Solution

The fourth proportional to 843,056.20, 1,163,426.74 and 461,074.78 is: 636,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,056.20 : 1,163,426.74 = 461,074.78 : x
  2. Step 2: Convert to fraction form
    843,056.20/1,163,426.74 = 461,074.78/x
  3. Step 3: Cross multiply
    843,056.20x = 1,163,426.74 × 461,074.78
  4. Step 4: Simplify right side
    843,056.20x = 536,426,731,086.76
  5. Step 5: Solve for x
    x = 536,426,731,086.76/843,056.20
  6. Step 6: Final answer
    x = 636,288.22

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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.