Home / 772,251.52-1,065,749.76-432,828.80

Finding the Fourth Proportional to 772,251.52, 1,065,749.76 and 432,828.80

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Solution

The fourth proportional to 772,251.52, 1,065,749.76 and 432,828.80 is: 597,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,251.52 : 1,065,749.76 = 432,828.80 : x
  2. Step 2: Convert to fraction form
    772,251.52/1,065,749.76 = 432,828.80/x
  3. Step 3: Cross multiply
    772,251.52x = 1,065,749.76 × 432,828.80
  4. Step 4: Simplify right side
    772,251.52x = 461,287,189,721.09
  5. Step 5: Solve for x
    x = 461,287,189,721.09/772,251.52
  6. Step 6: Final answer
    x = 597,327.66

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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.