Home / 495,628.32-683,924.57-274,871.93

Finding the Fourth Proportional to 495,628.32, 683,924.57 and 274,871.93

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Solution

The fourth proportional to 495,628.32, 683,924.57 and 274,871.93 is: 379,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,628.32 : 683,924.57 = 274,871.93 : x
  2. Step 2: Convert to fraction form
    495,628.32/683,924.57 = 274,871.93/x
  3. Step 3: Cross multiply
    495,628.32x = 683,924.57 × 274,871.93
  4. Step 4: Simplify right side
    495,628.32x = 187,991,666,865.77
  5. Step 5: Solve for x
    x = 187,991,666,865.77/495,628.32
  6. Step 6: Final answer
    x = 379,299.69

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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.