Home / 948,642.22-1,420,659.69-521,525.98

Finding the Fourth Proportional to 948,642.22, 1,420,659.69 and 521,525.98

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Solution

The fourth proportional to 948,642.22, 1,420,659.69 and 521,525.98 is: 781,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,642.22 : 1,420,659.69 = 521,525.98 : x
  2. Step 2: Convert to fraction form
    948,642.22/1,420,659.69 = 521,525.98/x
  3. Step 3: Cross multiply
    948,642.22x = 1,420,659.69 × 521,525.98
  4. Step 4: Simplify right side
    948,642.22x = 740,910,937,073.75
  5. Step 5: Solve for x
    x = 740,910,937,073.75/948,642.22
  6. Step 6: Final answer
    x = 781,022.52

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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.