Home / 555,072.02-766,017.96-340,170.58

Finding the Fourth Proportional to 555,072.02, 766,017.96 and 340,170.58

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Solution

The fourth proportional to 555,072.02, 766,017.96 and 340,170.58 is: 469,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,072.02 : 766,017.96 = 340,170.58 : x
  2. Step 2: Convert to fraction form
    555,072.02/766,017.96 = 340,170.58/x
  3. Step 3: Cross multiply
    555,072.02x = 766,017.96 × 340,170.58
  4. Step 4: Simplify right side
    555,072.02x = 260,576,773,743.62
  5. Step 5: Solve for x
    x = 260,576,773,743.62/555,072.02
  6. Step 6: Final answer
    x = 469,446.78

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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.