Home / 910,481.45-1,256,464.66-502,583.56

Finding the Fourth Proportional to 910,481.45, 1,256,464.66 and 502,583.56

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Solution

The fourth proportional to 910,481.45, 1,256,464.66 and 502,583.56 is: 693,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,481.45 : 1,256,464.66 = 502,583.56 : x
  2. Step 2: Convert to fraction form
    910,481.45/1,256,464.66 = 502,583.56/x
  3. Step 3: Cross multiply
    910,481.45x = 1,256,464.66 × 502,583.56
  4. Step 4: Simplify right side
    910,481.45x = 631,478,477,439.37
  5. Step 5: Solve for x
    x = 631,478,477,439.37/910,481.45
  6. Step 6: Final answer
    x = 693,565.45

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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.