Home / 986,006.01-1,479,172.53-346,143.68

Finding the Fourth Proportional to 986,006.01, 1,479,172.53 and 346,143.68

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Solution

The fourth proportional to 986,006.01, 1,479,172.53 and 346,143.68 is: 519,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,006.01 : 1,479,172.53 = 346,143.68 : x
  2. Step 2: Convert to fraction form
    986,006.01/1,479,172.53 = 346,143.68/x
  3. Step 3: Cross multiply
    986,006.01x = 1,479,172.53 × 346,143.68
  4. Step 4: Simplify right side
    986,006.01x = 512,006,215,493.25
  5. Step 5: Solve for x
    x = 512,006,215,493.25/986,006.01
  6. Step 6: Final answer
    x = 519,272.92

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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.