Home / 772,651.04-1,066,292.91-428,463.81

Finding the Fourth Proportional to 772,651.04, 1,066,292.91 and 428,463.81

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Solution

The fourth proportional to 772,651.04, 1,066,292.91 and 428,463.81 is: 591,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,651.04 : 1,066,292.91 = 428,463.81 : x
  2. Step 2: Convert to fraction form
    772,651.04/1,066,292.91 = 428,463.81/x
  3. Step 3: Cross multiply
    772,651.04x = 1,066,292.91 × 428,463.81
  4. Step 4: Simplify right side
    772,651.04x = 456,867,922,794.59
  5. Step 5: Solve for x
    x = 456,867,922,794.59/772,651.04
  6. Step 6: Final answer
    x = 591,299.18

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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.