Home / 495,758.77-683,895.27-323,777.40

Finding the Fourth Proportional to 495,758.77, 683,895.27 and 323,777.40

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Solution

The fourth proportional to 495,758.77, 683,895.27 and 323,777.40 is: 446,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,758.77 : 683,895.27 = 323,777.40 : x
  2. Step 2: Convert to fraction form
    495,758.77/683,895.27 = 323,777.40/x
  3. Step 3: Cross multiply
    495,758.77x = 683,895.27 × 323,777.40
  4. Step 4: Simplify right side
    495,758.77x = 221,429,832,392.90
  5. Step 5: Solve for x
    x = 221,429,832,392.90/495,758.77
  6. Step 6: Final answer
    x = 446,648.34

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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.