Home / 688,301.82-949,868.37-401,833.98

Finding the Fourth Proportional to 688,301.82, 949,868.37 and 401,833.98

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Solution

The fourth proportional to 688,301.82, 949,868.37 and 401,833.98 is: 554,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,301.82 : 949,868.37 = 401,833.98 : x
  2. Step 2: Convert to fraction form
    688,301.82/949,868.37 = 401,833.98/x
  3. Step 3: Cross multiply
    688,301.82x = 949,868.37 × 401,833.98
  4. Step 4: Simplify right side
    688,301.82x = 381,689,387,593.21
  5. Step 5: Solve for x
    x = 381,689,387,593.21/688,301.82
  6. Step 6: Final answer
    x = 554,537.82

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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.