Home / 910,410.92-1,256,367.18-502,512.86

Finding the Fourth Proportional to 910,410.92, 1,256,367.18 and 502,512.86

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Solution

The fourth proportional to 910,410.92, 1,256,367.18 and 502,512.86 is: 693,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,410.92 : 1,256,367.18 = 502,512.86 : x
  2. Step 2: Convert to fraction form
    910,410.92/1,256,367.18 = 502,512.86/x
  3. Step 3: Cross multiply
    910,410.92x = 1,256,367.18 × 502,512.86
  4. Step 4: Simplify right side
    910,410.92x = 631,340,662,319.37
  5. Step 5: Solve for x
    x = 631,340,662,319.37/910,410.92
  6. Step 6: Final answer
    x = 693,467.81

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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.