Home / 772,035.24-1,065,451.11-427,864

Finding the Fourth Proportional to 772,035.24, 1,065,451.11 and 427,864

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Solution

The fourth proportional to 772,035.24, 1,065,451.11 and 427,864 is: 590,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,035.24 : 1,065,451.11 = 427,864 : x
  2. Step 2: Convert to fraction form
    772,035.24/1,065,451.11 = 427,864/x
  3. Step 3: Cross multiply
    772,035.24x = 1,065,451.11 × 427,864
  4. Step 4: Simplify right side
    772,035.24x = 455,868,173,729.04
  5. Step 5: Solve for x
    x = 455,868,173,729.04/772,035.24
  6. Step 6: Final answer
    x = 590,475.87

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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.