Home / 772,265.82-1,065,755.67-432,721.50

Finding the Fourth Proportional to 772,265.82, 1,065,755.67 and 432,721.50

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Solution

The fourth proportional to 772,265.82, 1,065,755.67 and 432,721.50 is: 597,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,265.82 : 1,065,755.67 = 432,721.50 : x
  2. Step 2: Convert to fraction form
    772,265.82/1,065,755.67 = 432,721.50/x
  3. Step 3: Cross multiply
    772,265.82x = 1,065,755.67 × 432,721.50
  4. Step 4: Simplify right side
    772,265.82x = 461,175,392,155.91
  5. Step 5: Solve for x
    x = 461,175,392,155.91/772,265.82
  6. Step 6: Final answer
    x = 597,171.83

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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.