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Finding the Fourth Proportional to 495,895.40, 743,843.10 and 495,895.40

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Solution

The fourth proportional to 495,895.40, 743,843.10 and 495,895.40 is: 743,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,895.40 : 743,843.10 = 495,895.40 : x
  2. Step 2: Convert to fraction form
    495,895.40/743,843.10 = 495,895.40/x
  3. Step 3: Cross multiply
    495,895.40x = 743,843.10 × 495,895.40
  4. Step 4: Simplify right side
    495,895.40x = 368,868,371,611.74
  5. Step 5: Solve for x
    x = 368,868,371,611.74/495,895.40
  6. Step 6: Final answer
    x = 743,843.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.