Home / 891,859.60-1,337,789.40-537,965.20

Finding the Fourth Proportional to 891,859.60, 1,337,789.40 and 537,965.20

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Solution

The fourth proportional to 891,859.60, 1,337,789.40 and 537,965.20 is: 806,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,859.60 : 1,337,789.40 = 537,965.20 : x
  2. Step 2: Convert to fraction form
    891,859.60/1,337,789.40 = 537,965.20/x
  3. Step 3: Cross multiply
    891,859.60x = 1,337,789.40 × 537,965.20
  4. Step 4: Simplify right side
    891,859.60x = 719,684,142,128.88
  5. Step 5: Solve for x
    x = 719,684,142,128.88/891,859.60
  6. Step 6: Final answer
    x = 806,947.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.