Home / 857,960.84-1,183,010.45-547,445.72

Finding the Fourth Proportional to 857,960.84, 1,183,010.45 and 547,445.72

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Solution

The fourth proportional to 857,960.84, 1,183,010.45 and 547,445.72 is: 754,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,960.84 : 1,183,010.45 = 547,445.72 : x
  2. Step 2: Convert to fraction form
    857,960.84/1,183,010.45 = 547,445.72/x
  3. Step 3: Cross multiply
    857,960.84x = 1,183,010.45 × 547,445.72
  4. Step 4: Simplify right side
    857,960.84x = 647,634,004,830.55
  5. Step 5: Solve for x
    x = 647,634,004,830.55/857,960.84
  6. Step 6: Final answer
    x = 754,852.64

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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.