Home / 495,814.80-684,366.30-291,983.96

Finding the Fourth Proportional to 495,814.80, 684,366.30 and 291,983.96

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Solution

The fourth proportional to 495,814.80, 684,366.30 and 291,983.96 is: 403,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,814.80 : 684,366.30 = 291,983.96 : x
  2. Step 2: Convert to fraction form
    495,814.80/684,366.30 = 291,983.96/x
  3. Step 3: Cross multiply
    495,814.80x = 684,366.30 × 291,983.96
  4. Step 4: Simplify right side
    495,814.80x = 199,823,982,364.55
  5. Step 5: Solve for x
    x = 199,823,982,364.55/495,814.80
  6. Step 6: Final answer
    x = 403,021.42

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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.