Home / 677,012.61-1,009,466.25-658,412.18

Finding the Fourth Proportional to 677,012.61, 1,009,466.25 and 658,412.18

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Solution

The fourth proportional to 677,012.61, 1,009,466.25 and 658,412.18 is: 981,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,012.61 : 1,009,466.25 = 658,412.18 : x
  2. Step 2: Convert to fraction form
    677,012.61/1,009,466.25 = 658,412.18/x
  3. Step 3: Cross multiply
    677,012.61x = 1,009,466.25 × 658,412.18
  4. Step 4: Simplify right side
    677,012.61x = 664,644,869,251.59
  5. Step 5: Solve for x
    x = 664,644,869,251.59/677,012.61
  6. Step 6: Final answer
    x = 981,731.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.