Home / 771,062.36-1,064,065.92-431,530.61

Finding the Fourth Proportional to 771,062.36, 1,064,065.92 and 431,530.61

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Solution

The fourth proportional to 771,062.36, 1,064,065.92 and 431,530.61 is: 595,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,062.36 : 1,064,065.92 = 431,530.61 : x
  2. Step 2: Convert to fraction form
    771,062.36/1,064,065.92 = 431,530.61/x
  3. Step 3: Cross multiply
    771,062.36x = 1,064,065.92 × 431,530.61
  4. Step 4: Simplify right side
    771,062.36x = 459,177,008,599.24
  5. Step 5: Solve for x
    x = 459,177,008,599.24/771,062.36
  6. Step 6: Final answer
    x = 595,512.16

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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.