Home / 855,630.48-1,180,835.64-488,115.71

Finding the Fourth Proportional to 855,630.48, 1,180,835.64 and 488,115.71

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Solution

The fourth proportional to 855,630.48, 1,180,835.64 and 488,115.71 is: 673,637.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,630.48 : 1,180,835.64 = 488,115.71 : x
  2. Step 2: Convert to fraction form
    855,630.48/1,180,835.64 = 488,115.71/x
  3. Step 3: Cross multiply
    855,630.48x = 1,180,835.64 × 488,115.71
  4. Step 4: Simplify right side
    855,630.48x = 576,384,418,467.15
  5. Step 5: Solve for x
    x = 576,384,418,467.15/855,630.48
  6. Step 6: Final answer
    x = 673,637.08

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1.5x scale

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.