Home / 958,860.32-1,438,932.54-397,895.36

Finding the Fourth Proportional to 958,860.32, 1,438,932.54 and 397,895.36

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Solution

The fourth proportional to 958,860.32, 1,438,932.54 and 397,895.36 is: 597,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,860.32 : 1,438,932.54 = 397,895.36 : x
  2. Step 2: Convert to fraction form
    958,860.32/1,438,932.54 = 397,895.36/x
  3. Step 3: Cross multiply
    958,860.32x = 1,438,932.54 × 397,895.36
  4. Step 4: Simplify right side
    958,860.32x = 572,544,581,019.01
  5. Step 5: Solve for x
    x = 572,544,581,019.01/958,860.32
  6. Step 6: Final answer
    x = 597,109.47

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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.