Home / 987,315.64-1,480,973.66-356,229.24

Finding the Fourth Proportional to 987,315.64, 1,480,973.66 and 356,229.24

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Solution

The fourth proportional to 987,315.64, 1,480,973.66 and 356,229.24 is: 534,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,315.64 : 1,480,973.66 = 356,229.24 : x
  2. Step 2: Convert to fraction form
    987,315.64/1,480,973.66 = 356,229.24/x
  3. Step 3: Cross multiply
    987,315.64x = 1,480,973.66 × 356,229.24
  4. Step 4: Simplify right side
    987,315.64x = 527,566,121,361.82
  5. Step 5: Solve for x
    x = 527,566,121,361.82/987,315.64
  6. Step 6: Final answer
    x = 534,343.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.