Home / 857,008.92-1,182,684.20-469,860.72

Finding the Fourth Proportional to 857,008.92, 1,182,684.20 and 469,860.72

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Solution

The fourth proportional to 857,008.92, 1,182,684.20 and 469,860.72 is: 648,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,008.92 : 1,182,684.20 = 469,860.72 : x
  2. Step 2: Convert to fraction form
    857,008.92/1,182,684.20 = 469,860.72/x
  3. Step 3: Cross multiply
    857,008.92x = 1,182,684.20 × 469,860.72
  4. Step 4: Simplify right side
    857,008.92x = 555,696,849,744.62
  5. Step 5: Solve for x
    x = 555,696,849,744.62/857,008.92
  6. Step 6: Final answer
    x = 648,414.31

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1.5x scale

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.