Home / 756,879.77-1,135,319.65-519,502.79

Finding the Fourth Proportional to 756,879.77, 1,135,319.65 and 519,502.79

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Solution

The fourth proportional to 756,879.77, 1,135,319.65 and 519,502.79 is: 779,254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,879.77 : 1,135,319.65 = 519,502.79 : x
  2. Step 2: Convert to fraction form
    756,879.77/1,135,319.65 = 519,502.79/x
  3. Step 3: Cross multiply
    756,879.77x = 1,135,319.65 × 519,502.79
  4. Step 4: Simplify right side
    756,879.77x = 589,801,725,716.82
  5. Step 5: Solve for x
    x = 589,801,725,716.82/756,879.77
  6. Step 6: Final answer
    x = 779,254.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.