Home / 925,054.77-1,387,560.55-426,418.77

Finding the Fourth Proportional to 925,054.77, 1,387,560.55 and 426,418.77

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Solution

The fourth proportional to 925,054.77, 1,387,560.55 and 426,418.77 is: 639,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,054.77 : 1,387,560.55 = 426,418.77 : x
  2. Step 2: Convert to fraction form
    925,054.77/1,387,560.55 = 426,418.77/x
  3. Step 3: Cross multiply
    925,054.77x = 1,387,560.55 × 426,418.77
  4. Step 4: Simplify right side
    925,054.77x = 591,681,860,899.43
  5. Step 5: Solve for x
    x = 591,681,860,899.43/925,054.77
  6. Step 6: Final answer
    x = 639,618.19

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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.