Home / 771,777.78-1,065,091.32-465,849.29

Finding the Fourth Proportional to 771,777.78, 1,065,091.32 and 465,849.29

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Solution

The fourth proportional to 771,777.78, 1,065,091.32 and 465,849.29 is: 642,894.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,777.78 : 1,065,091.32 = 465,849.29 : x
  2. Step 2: Convert to fraction form
    771,777.78/1,065,091.32 = 465,849.29/x
  3. Step 3: Cross multiply
    771,777.78x = 1,065,091.32 × 465,849.29
  4. Step 4: Simplify right side
    771,777.78x = 496,172,029,881.71
  5. Step 5: Solve for x
    x = 496,172,029,881.71/771,777.78
  6. Step 6: Final answer
    x = 642,894.94

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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.