Home / 852,142.80-1,175,956.16-470,169.54

Finding the Fourth Proportional to 852,142.80, 1,175,956.16 and 470,169.54

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Solution

The fourth proportional to 852,142.80, 1,175,956.16 and 470,169.54 is: 648,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,142.80 : 1,175,956.16 = 470,169.54 : x
  2. Step 2: Convert to fraction form
    852,142.80/1,175,956.16 = 470,169.54/x
  3. Step 3: Cross multiply
    852,142.80x = 1,175,956.16 × 470,169.54
  4. Step 4: Simplify right side
    852,142.80x = 552,898,766,807.37
  5. Step 5: Solve for x
    x = 552,898,766,807.37/852,142.80
  6. Step 6: Final answer
    x = 648,833.47

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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.