Home / 648,433.20-895,027.88-376,623.32

Finding the Fourth Proportional to 648,433.20, 895,027.88 and 376,623.32

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Solution

The fourth proportional to 648,433.20, 895,027.88 and 376,623.32 is: 519,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,433.20 : 895,027.88 = 376,623.32 : x
  2. Step 2: Convert to fraction form
    648,433.20/895,027.88 = 376,623.32/x
  3. Step 3: Cross multiply
    648,433.20x = 895,027.88 × 376,623.32
  4. Step 4: Simplify right side
    648,433.20x = 337,088,371,658.16
  5. Step 5: Solve for x
    x = 337,088,371,658.16/648,433.20
  6. Step 6: Final answer
    x = 519,850.57

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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.