Home / 495,245.52-683,440.20-268,894.80

Finding the Fourth Proportional to 495,245.52, 683,440.20 and 268,894.80

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Solution

The fourth proportional to 495,245.52, 683,440.20 and 268,894.80 is: 371,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,245.52 : 683,440.20 = 268,894.80 : x
  2. Step 2: Convert to fraction form
    495,245.52/683,440.20 = 268,894.80/x
  3. Step 3: Cross multiply
    495,245.52x = 683,440.20 × 268,894.80
  4. Step 4: Simplify right side
    495,245.52x = 183,773,515,890.96
  5. Step 5: Solve for x
    x = 183,773,515,890.96/495,245.52
  6. Step 6: Final answer
    x = 371,075.57

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1.5x scale

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.