Home / 819,110.34-1,130,121.78-474,877.58

Finding the Fourth Proportional to 819,110.34, 1,130,121.78 and 474,877.58

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Solution

The fourth proportional to 819,110.34, 1,130,121.78 and 474,877.58 is: 655,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,110.34 : 1,130,121.78 = 474,877.58 : x
  2. Step 2: Convert to fraction form
    819,110.34/1,130,121.78 = 474,877.58/x
  3. Step 3: Cross multiply
    819,110.34x = 1,130,121.78 × 474,877.58
  4. Step 4: Simplify right side
    819,110.34x = 536,669,498,909.03
  5. Step 5: Solve for x
    x = 536,669,498,909.03/819,110.34
  6. Step 6: Final answer
    x = 655,185.84

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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.