Home / 982,488.30-1,473,732.32-272,516.34

Finding the Fourth Proportional to 982,488.30, 1,473,732.32 and 272,516.34

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Solution

The fourth proportional to 982,488.30, 1,473,732.32 and 272,516.34 is: 408,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,488.30 : 1,473,732.32 = 272,516.34 : x
  2. Step 2: Convert to fraction form
    982,488.30/1,473,732.32 = 272,516.34/x
  3. Step 3: Cross multiply
    982,488.30x = 1,473,732.32 × 272,516.34
  4. Step 4: Simplify right side
    982,488.30x = 401,616,136,623.53
  5. Step 5: Solve for x
    x = 401,616,136,623.53/982,488.30
  6. Step 6: Final answer
    x = 408,774.47

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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.