Home / 655,122.20-904,088.75-356,776.10

Finding the Fourth Proportional to 655,122.20, 904,088.75 and 356,776.10

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Solution

The fourth proportional to 655,122.20, 904,088.75 and 356,776.10 is: 492,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,122.20 : 904,088.75 = 356,776.10 : x
  2. Step 2: Convert to fraction form
    655,122.20/904,088.75 = 356,776.10/x
  3. Step 3: Cross multiply
    655,122.20x = 904,088.75 × 356,776.10
  4. Step 4: Simplify right side
    655,122.20x = 322,557,258,278.88
  5. Step 5: Solve for x
    x = 322,557,258,278.88/655,122.20
  6. Step 6: Final answer
    x = 492,361.97

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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.