Home / 539,066.45-743,916.89-297,359.21

Finding the Fourth Proportional to 539,066.45, 743,916.89 and 297,359.21

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Solution

The fourth proportional to 539,066.45, 743,916.89 and 297,359.21 is: 410,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,066.45 : 743,916.89 = 297,359.21 : x
  2. Step 2: Convert to fraction form
    539,066.45/743,916.89 = 297,359.21/x
  3. Step 3: Cross multiply
    539,066.45x = 743,916.89 × 297,359.21
  4. Step 4: Simplify right side
    539,066.45x = 221,210,538,716.06
  5. Step 5: Solve for x
    x = 221,210,538,716.06/539,066.45
  6. Step 6: Final answer
    x = 410,358.57

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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.