Home / 837,261.20-1,255,891.80-338,625.20

Finding the Fourth Proportional to 837,261.20, 1,255,891.80 and 338,625.20

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Solution

The fourth proportional to 837,261.20, 1,255,891.80 and 338,625.20 is: 507,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,261.20 : 1,255,891.80 = 338,625.20 : x
  2. Step 2: Convert to fraction form
    837,261.20/1,255,891.80 = 338,625.20/x
  3. Step 3: Cross multiply
    837,261.20x = 1,255,891.80 × 338,625.20
  4. Step 4: Simplify right side
    837,261.20x = 425,276,611,953.36
  5. Step 5: Solve for x
    x = 425,276,611,953.36/837,261.20
  6. Step 6: Final answer
    x = 507,937.80

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1.5x scale

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.