Home / 773,720.61-1,067,811.18-434,190.21

Finding the Fourth Proportional to 773,720.61, 1,067,811.18 and 434,190.21

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Solution

The fourth proportional to 773,720.61, 1,067,811.18 and 434,190.21 is: 599,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,720.61 : 1,067,811.18 = 434,190.21 : x
  2. Step 2: Convert to fraction form
    773,720.61/1,067,811.18 = 434,190.21/x
  3. Step 3: Cross multiply
    773,720.61x = 1,067,811.18 × 434,190.21
  4. Step 4: Simplify right side
    773,720.61x = 463,633,160,484.55
  5. Step 5: Solve for x
    x = 463,633,160,484.55/773,720.61
  6. Step 6: Final answer
    x = 599,225.55

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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.