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Finding the Fourth Proportional to 495,862.62, 684,294.93 and 269,508.66

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Solution

The fourth proportional to 495,862.62, 684,294.93 and 269,508.66 is: 371,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,862.62 : 684,294.93 = 269,508.66 : x
  2. Step 2: Convert to fraction form
    495,862.62/684,294.93 = 269,508.66/x
  3. Step 3: Cross multiply
    495,862.62x = 684,294.93 × 269,508.66
  4. Step 4: Simplify right side
    495,862.62x = 184,423,409,629.09
  5. Step 5: Solve for x
    x = 184,423,409,629.09/495,862.62
  6. Step 6: Final answer
    x = 371,924.40

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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.