Home / 977,957.79-1,466,652.09-378,785.31

Finding the Fourth Proportional to 977,957.79, 1,466,652.09 and 378,785.31

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Solution

The fourth proportional to 977,957.79, 1,466,652.09 and 378,785.31 is: 568,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,957.79 : 1,466,652.09 = 378,785.31 : x
  2. Step 2: Convert to fraction form
    977,957.79/1,466,652.09 = 378,785.31/x
  3. Step 3: Cross multiply
    977,957.79x = 1,466,652.09 × 378,785.31
  4. Step 4: Simplify right side
    977,957.79x = 555,546,266,572.80
  5. Step 5: Solve for x
    x = 555,546,266,572.80/977,957.79
  6. Step 6: Final answer
    x = 568,067.73

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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.