Home / 917,072.82-1,375,848.18-348,464.16

Finding the Fourth Proportional to 917,072.82, 1,375,848.18 and 348,464.16

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Solution

The fourth proportional to 917,072.82, 1,375,848.18 and 348,464.16 is: 522,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,072.82 : 1,375,848.18 = 348,464.16 : x
  2. Step 2: Convert to fraction form
    917,072.82/1,375,848.18 = 348,464.16/x
  3. Step 3: Cross multiply
    917,072.82x = 1,375,848.18 × 348,464.16
  4. Step 4: Simplify right side
    917,072.82x = 479,433,780,331.23
  5. Step 5: Solve for x
    x = 479,433,780,331.23/917,072.82
  6. Step 6: Final answer
    x = 522,787.03

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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.