Home / 495,530.80-683,851.28-277,743.48

Finding the Fourth Proportional to 495,530.80, 683,851.28 and 277,743.48

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Solution

The fourth proportional to 495,530.80, 683,851.28 and 277,743.48 is: 383,296.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,530.80 : 683,851.28 = 277,743.48 : x
  2. Step 2: Convert to fraction form
    495,530.80/683,851.28 = 277,743.48/x
  3. Step 3: Cross multiply
    495,530.80x = 683,851.28 × 277,743.48
  4. Step 4: Simplify right side
    495,530.80x = 189,935,234,309.65
  5. Step 5: Solve for x
    x = 189,935,234,309.65/495,530.80
  6. Step 6: Final answer
    x = 383,296.53

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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.