Home / 495,563.81-683,878.07-269,209.31

Finding the Fourth Proportional to 495,563.81, 683,878.07 and 269,209.31

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Solution

The fourth proportional to 495,563.81, 683,878.07 and 269,209.31 is: 371,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,563.81 : 683,878.07 = 269,209.31 : x
  2. Step 2: Convert to fraction form
    495,563.81/683,878.07 = 269,209.31/x
  3. Step 3: Cross multiply
    495,563.81x = 683,878.07 × 269,209.31
  4. Step 4: Simplify right side
    495,563.81x = 184,106,343,712.48
  5. Step 5: Solve for x
    x = 184,106,343,712.48/495,563.81
  6. Step 6: Final answer
    x = 371,508.85

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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.