Home / 648,429.96-895,023.39-376,620.05

Finding the Fourth Proportional to 648,429.96, 895,023.39 and 376,620.05

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Solution

The fourth proportional to 648,429.96, 895,023.39 and 376,620.05 is: 519,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,429.96 : 895,023.39 = 376,620.05 : x
  2. Step 2: Convert to fraction form
    648,429.96/895,023.39 = 376,620.05/x
  3. Step 3: Cross multiply
    648,429.96x = 895,023.39 × 376,620.05
  4. Step 4: Simplify right side
    648,429.96x = 337,083,749,417.85
  5. Step 5: Solve for x
    x = 337,083,749,417.85/648,429.96
  6. Step 6: Final answer
    x = 519,846.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.