Home / 513,077.92-708,048.49-286,723.42

Finding the Fourth Proportional to 513,077.92, 708,048.49 and 286,723.42

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Solution

The fourth proportional to 513,077.92, 708,048.49 and 286,723.42 is: 395,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,077.92 : 708,048.49 = 286,723.42 : x
  2. Step 2: Convert to fraction form
    513,077.92/708,048.49 = 286,723.42/x
  3. Step 3: Cross multiply
    513,077.92x = 708,048.49 × 286,723.42
  4. Step 4: Simplify right side
    513,077.92x = 203,014,084,578.64
  5. Step 5: Solve for x
    x = 203,014,084,578.64/513,077.92
  6. Step 6: Final answer
    x = 395,678.86

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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.