Home / 543,301.17-749,741.79-298,284.72

Finding the Fourth Proportional to 543,301.17, 749,741.79 and 298,284.72

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Solution

The fourth proportional to 543,301.17, 749,741.79 and 298,284.72 is: 411,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,301.17 : 749,741.79 = 298,284.72 : x
  2. Step 2: Convert to fraction form
    543,301.17/749,741.79 = 298,284.72/x
  3. Step 3: Cross multiply
    543,301.17x = 749,741.79 × 298,284.72
  4. Step 4: Simplify right side
    543,301.17x = 223,636,519,902.45
  5. Step 5: Solve for x
    x = 223,636,519,902.45/543,301.17
  6. Step 6: Final answer
    x = 411,625.32

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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.