Home / 855,434.34-1,180,452.50-487,857.51

Finding the Fourth Proportional to 855,434.34, 1,180,452.50 and 487,857.51

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Solution

The fourth proportional to 855,434.34, 1,180,452.50 and 487,857.51 is: 673,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,434.34 : 1,180,452.50 = 487,857.51 : x
  2. Step 2: Convert to fraction form
    855,434.34/1,180,452.50 = 487,857.51/x
  3. Step 3: Cross multiply
    855,434.34x = 1,180,452.50 × 487,857.51
  4. Step 4: Simplify right side
    855,434.34x = 575,892,614,079.50
  5. Step 5: Solve for x
    x = 575,892,614,079.50/855,434.34
  6. Step 6: Final answer
    x = 673,216.62

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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.