Home / 977,762.72-1,466,650.62-378,790.40

Finding the Fourth Proportional to 977,762.72, 1,466,650.62 and 378,790.40

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Solution

The fourth proportional to 977,762.72, 1,466,650.62 and 378,790.40 is: 568,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,762.72 : 1,466,650.62 = 378,790.40 : x
  2. Step 2: Convert to fraction form
    977,762.72/1,466,650.62 = 378,790.40/x
  3. Step 3: Cross multiply
    977,762.72x = 1,466,650.62 × 378,790.40
  4. Step 4: Simplify right side
    977,762.72x = 555,553,175,010.05
  5. Step 5: Solve for x
    x = 555,553,175,010.05/977,762.72
  6. Step 6: Final answer
    x = 568,188.13

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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.