Home / 839,200.50-1,158,081.98-457,229.97

Finding the Fourth Proportional to 839,200.50, 1,158,081.98 and 457,229.97

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Solution

The fourth proportional to 839,200.50, 1,158,081.98 and 457,229.97 is: 630,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,200.50 : 1,158,081.98 = 457,229.97 : x
  2. Step 2: Convert to fraction form
    839,200.50/1,158,081.98 = 457,229.97/x
  3. Step 3: Cross multiply
    839,200.50x = 1,158,081.98 × 457,229.97
  4. Step 4: Simplify right side
    839,200.50x = 529,509,786,686.79
  5. Step 5: Solve for x
    x = 529,509,786,686.79/839,200.50
  6. Step 6: Final answer
    x = 630,969.34

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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.