Home / 772,164.99-1,065,585.85-423,304.78

Finding the Fourth Proportional to 772,164.99, 1,065,585.85 and 423,304.78

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Solution

The fourth proportional to 772,164.99, 1,065,585.85 and 423,304.78 is: 584,159.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,164.99 : 1,065,585.85 = 423,304.78 : x
  2. Step 2: Convert to fraction form
    772,164.99/1,065,585.85 = 423,304.78/x
  3. Step 3: Cross multiply
    772,164.99x = 1,065,585.85 × 423,304.78
  4. Step 4: Simplify right side
    772,164.99x = 451,067,581,688.84
  5. Step 5: Solve for x
    x = 451,067,581,688.84/772,164.99
  6. Step 6: Final answer
    x = 584,159.59

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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.