Home / 857,675.98-1,183,734.57-475,825.78

Finding the Fourth Proportional to 857,675.98, 1,183,734.57 and 475,825.78

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Solution

The fourth proportional to 857,675.98, 1,183,734.57 and 475,825.78 is: 656,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,675.98 : 1,183,734.57 = 475,825.78 : x
  2. Step 2: Convert to fraction form
    857,675.98/1,183,734.57 = 475,825.78/x
  3. Step 3: Cross multiply
    857,675.98x = 1,183,734.57 × 475,825.78
  4. Step 4: Simplify right side
    857,675.98x = 563,251,425,083.22
  5. Step 5: Solve for x
    x = 563,251,425,083.22/857,675.98
  6. Step 6: Final answer
    x = 656,718.20

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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.