Home / 997,807.05-1,376,973.29-538,921.44

Finding the Fourth Proportional to 997,807.05, 1,376,973.29 and 538,921.44

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Solution

The fourth proportional to 997,807.05, 1,376,973.29 and 538,921.44 is: 743,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,807.05 : 1,376,973.29 = 538,921.44 : x
  2. Step 2: Convert to fraction form
    997,807.05/1,376,973.29 = 538,921.44/x
  3. Step 3: Cross multiply
    997,807.05x = 1,376,973.29 × 538,921.44
  4. Step 4: Simplify right side
    997,807.05x = 742,080,429,635.64
  5. Step 5: Solve for x
    x = 742,080,429,635.64/997,807.05
  6. Step 6: Final answer
    x = 743,711.35

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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.