Home / 773,078.66-1,066,812.51-428,910.92

Finding the Fourth Proportional to 773,078.66, 1,066,812.51 and 428,910.92

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Solution

The fourth proportional to 773,078.66, 1,066,812.51 and 428,910.92 is: 591,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,078.66 : 1,066,812.51 = 428,910.92 : x
  2. Step 2: Convert to fraction form
    773,078.66/1,066,812.51 = 428,910.92/x
  3. Step 3: Cross multiply
    773,078.66x = 1,066,812.51 × 428,910.92
  4. Step 4: Simplify right side
    773,078.66x = 457,567,535,131.61
  5. Step 5: Solve for x
    x = 457,567,535,131.61/773,078.66
  6. Step 6: Final answer
    x = 591,877.07

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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.