Home / 495,821.05-743,942.03-270,918.76

Finding the Fourth Proportional to 495,821.05, 743,942.03 and 270,918.76

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Solution

The fourth proportional to 495,821.05, 743,942.03 and 270,918.76 is: 406,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,821.05 : 743,942.03 = 270,918.76 : x
  2. Step 2: Convert to fraction form
    495,821.05/743,942.03 = 270,918.76/x
  3. Step 3: Cross multiply
    495,821.05x = 743,942.03 × 270,918.76
  4. Step 4: Simplify right side
    495,821.05x = 201,547,850,924.89
  5. Step 5: Solve for x
    x = 201,547,850,924.89/495,821.05
  6. Step 6: Final answer
    x = 406,493.13

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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.