Home / 543,928.02-750,633.75-302,220.78

Finding the Fourth Proportional to 543,928.02, 750,633.75 and 302,220.78

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Solution

The fourth proportional to 543,928.02, 750,633.75 and 302,220.78 is: 417,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,928.02 : 750,633.75 = 302,220.78 : x
  2. Step 2: Convert to fraction form
    543,928.02/750,633.75 = 302,220.78/x
  3. Step 3: Cross multiply
    543,928.02x = 750,633.75 × 302,220.78
  4. Step 4: Simplify right side
    543,928.02x = 226,857,117,419.33
  5. Step 5: Solve for x
    x = 226,857,117,419.33/543,928.02
  6. Step 6: Final answer
    x = 417,071.95

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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.