Home / 751.24-1,036.50-419.59

Finding the Fourth Proportional to 751.24, 1,036.50 and 419.59

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Solution

The fourth proportional to 751.24, 1,036.50 and 419.59 is: 578.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.24 : 1,036.50 = 419.59 : x
  2. Step 2: Convert to fraction form
    751.24/1,036.50 = 419.59/x
  3. Step 3: Cross multiply
    751.24x = 1,036.50 × 419.59
  4. Step 4: Simplify right side
    751.24x = 434,905.04
  5. Step 5: Solve for x
    x = 434,905.04/751.24
  6. Step 6: Final answer
    x = 578.92

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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.