Home / 839,823.48-1,159,105.28-495,634.64

Finding the Fourth Proportional to 839,823.48, 1,159,105.28 and 495,634.64

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Solution

The fourth proportional to 839,823.48, 1,159,105.28 and 495,634.64 is: 684,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,823.48 : 1,159,105.28 = 495,634.64 : x
  2. Step 2: Convert to fraction form
    839,823.48/1,159,105.28 = 495,634.64/x
  3. Step 3: Cross multiply
    839,823.48x = 1,159,105.28 × 495,634.64
  4. Step 4: Simplify right side
    839,823.48x = 574,492,719,901.20
  5. Step 5: Solve for x
    x = 574,492,719,901.20/839,823.48
  6. Step 6: Final answer
    x = 684,063.66

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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.