Home / 857,833.72-1,183,866.78-475,902.52

Finding the Fourth Proportional to 857,833.72, 1,183,866.78 and 475,902.52

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Solution

The fourth proportional to 857,833.72, 1,183,866.78 and 475,902.52 is: 656,776.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,833.72 : 1,183,866.78 = 475,902.52 : x
  2. Step 2: Convert to fraction form
    857,833.72/1,183,866.78 = 475,902.52/x
  3. Step 3: Cross multiply
    857,833.72x = 1,183,866.78 × 475,902.52
  4. Step 4: Simplify right side
    857,833.72x = 563,405,183,946.29
  5. Step 5: Solve for x
    x = 563,405,183,946.29/857,833.72
  6. Step 6: Final answer
    x = 656,776.68

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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.