Home / 495,299.80-683,257.98-313,706.20

Finding the Fourth Proportional to 495,299.80, 683,257.98 and 313,706.20

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Solution

The fourth proportional to 495,299.80, 683,257.98 and 313,706.20 is: 432,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,299.80 : 683,257.98 = 313,706.20 : x
  2. Step 2: Convert to fraction form
    495,299.80/683,257.98 = 313,706.20/x
  3. Step 3: Cross multiply
    495,299.80x = 683,257.98 × 313,706.20
  4. Step 4: Simplify right side
    495,299.80x = 214,342,264,525.48
  5. Step 5: Solve for x
    x = 214,342,264,525.48/495,299.80
  6. Step 6: Final answer
    x = 432,752.58

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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.