Home / 876,822.63-1,209,990.72-494,884.95

Finding the Fourth Proportional to 876,822.63, 1,209,990.72 and 494,884.95

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Solution

The fourth proportional to 876,822.63, 1,209,990.72 and 494,884.95 is: 682,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,822.63 : 1,209,990.72 = 494,884.95 : x
  2. Step 2: Convert to fraction form
    876,822.63/1,209,990.72 = 494,884.95/x
  3. Step 3: Cross multiply
    876,822.63x = 1,209,990.72 × 494,884.95
  4. Step 4: Simplify right side
    876,822.63x = 598,806,196,967.66
  5. Step 5: Solve for x
    x = 598,806,196,967.66/876,822.63
  6. Step 6: Final answer
    x = 682,927.40

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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.