Home / 495,299.28-683,515.80-268,944.84

Finding the Fourth Proportional to 495,299.28, 683,515.80 and 268,944.84

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Solution

The fourth proportional to 495,299.28, 683,515.80 and 268,944.84 is: 371,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,299.28 : 683,515.80 = 268,944.84 : x
  2. Step 2: Convert to fraction form
    495,299.28/683,515.80 = 268,944.84/x
  3. Step 3: Cross multiply
    495,299.28x = 683,515.80 × 268,944.84
  4. Step 4: Simplify right side
    495,299.28x = 183,828,047,468.47
  5. Step 5: Solve for x
    x = 183,828,047,468.47/495,299.28
  6. Step 6: Final answer
    x = 371,145.40

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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.