Home / 977,442.10-1,466,418.30-378,422.80

Finding the Fourth Proportional to 977,442.10, 1,466,418.30 and 378,422.80

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Solution

The fourth proportional to 977,442.10, 1,466,418.30 and 378,422.80 is: 567,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,442.10 : 1,466,418.30 = 378,422.80 : x
  2. Step 2: Convert to fraction form
    977,442.10/1,466,418.30 = 378,422.80/x
  3. Step 3: Cross multiply
    977,442.10x = 1,466,418.30 × 378,422.80
  4. Step 4: Simplify right side
    977,442.10x = 554,926,119,057.24
  5. Step 5: Solve for x
    x = 554,926,119,057.24/977,442.10
  6. Step 6: Final answer
    x = 567,732.98

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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.