Home / 495,411.05-683,663.40-269,056.55

Finding the Fourth Proportional to 495,411.05, 683,663.40 and 269,056.55

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Solution

The fourth proportional to 495,411.05, 683,663.40 and 269,056.55 is: 371,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,411.05 : 683,663.40 = 269,056.55 : x
  2. Step 2: Convert to fraction form
    495,411.05/683,663.40 = 269,056.55/x
  3. Step 3: Cross multiply
    495,411.05x = 683,663.40 × 269,056.55
  4. Step 4: Simplify right side
    495,411.05x = 183,944,117,474.43
  5. Step 5: Solve for x
    x = 183,944,117,474.43/495,411.05
  6. Step 6: Final answer
    x = 371,295.95

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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.