Home / 648,602.56-895,003.63-376,617.43

Finding the Fourth Proportional to 648,602.56, 895,003.63 and 376,617.43

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Solution

The fourth proportional to 648,602.56, 895,003.63 and 376,617.43 is: 519,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,602.56 : 895,003.63 = 376,617.43 : x
  2. Step 2: Convert to fraction form
    648,602.56/895,003.63 = 376,617.43/x
  3. Step 3: Cross multiply
    648,602.56x = 895,003.63 × 376,617.43
  4. Step 4: Simplify right side
    648,602.56x = 337,073,966,971.27
  5. Step 5: Solve for x
    x = 337,073,966,971.27/648,602.56
  6. Step 6: Final answer
    x = 519,692.62

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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.