Home / 811,742.45-1,218,033.79-588,941.82

Finding the Fourth Proportional to 811,742.45, 1,218,033.79 and 588,941.82

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Solution

The fourth proportional to 811,742.45, 1,218,033.79 and 588,941.82 is: 883,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,742.45 : 1,218,033.79 = 588,941.82 : x
  2. Step 2: Convert to fraction form
    811,742.45/1,218,033.79 = 588,941.82/x
  3. Step 3: Cross multiply
    811,742.45x = 1,218,033.79 × 588,941.82
  4. Step 4: Simplify right side
    811,742.45x = 717,351,035,631.74
  5. Step 5: Solve for x
    x = 717,351,035,631.74/811,742.45
  6. Step 6: Final answer
    x = 883,717.54

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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.