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Finding the Fourth Proportional to 839,782.72, 1,158,551.24 and 495,482

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Solution

The fourth proportional to 839,782.72, 1,158,551.24 and 495,482 is: 683,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,782.72 : 1,158,551.24 = 495,482 : x
  2. Step 2: Convert to fraction form
    839,782.72/1,158,551.24 = 495,482/x
  3. Step 3: Cross multiply
    839,782.72x = 1,158,551.24 × 495,482
  4. Step 4: Simplify right side
    839,782.72x = 574,041,285,497.68
  5. Step 5: Solve for x
    x = 574,041,285,497.68/839,782.72
  6. Step 6: Final answer
    x = 683,559.30

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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.