Home / 839,819.52-1,158,786.72-495,763.20

Finding the Fourth Proportional to 839,819.52, 1,158,786.72 and 495,763.20

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Solution

The fourth proportional to 839,819.52, 1,158,786.72 and 495,763.20 is: 684,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,819.52 : 1,158,786.72 = 495,763.20 : x
  2. Step 2: Convert to fraction form
    839,819.52/1,158,786.72 = 495,763.20/x
  3. Step 3: Cross multiply
    839,819.52x = 1,158,786.72 × 495,763.20
  4. Step 4: Simplify right side
    839,819.52x = 574,483,812,424.70
  5. Step 5: Solve for x
    x = 574,483,812,424.70/839,819.52
  6. Step 6: Final answer
    x = 684,056.27

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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.