Home / 772,887.17-1,066,585.21-450,659.54

Finding the Fourth Proportional to 772,887.17, 1,066,585.21 and 450,659.54

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Solution

The fourth proportional to 772,887.17, 1,066,585.21 and 450,659.54 is: 621,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,887.17 : 1,066,585.21 = 450,659.54 : x
  2. Step 2: Convert to fraction form
    772,887.17/1,066,585.21 = 450,659.54/x
  3. Step 3: Cross multiply
    772,887.17x = 1,066,585.21 × 450,659.54
  4. Step 4: Simplify right side
    772,887.17x = 480,666,800,265.52
  5. Step 5: Solve for x
    x = 480,666,800,265.52/772,887.17
  6. Step 6: Final answer
    x = 621,910.70

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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.