Home / 910,614.20-1,256,649.69-502,716.32

Finding the Fourth Proportional to 910,614.20, 1,256,649.69 and 502,716.32

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Solution

The fourth proportional to 910,614.20, 1,256,649.69 and 502,716.32 is: 693,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,614.20 : 1,256,649.69 = 502,716.32 : x
  2. Step 2: Convert to fraction form
    910,614.20/1,256,649.69 = 502,716.32/x
  3. Step 3: Cross multiply
    910,614.20x = 1,256,649.69 × 502,716.32
  4. Step 4: Simplify right side
    910,614.20x = 631,738,308,000.32
  5. Step 5: Solve for x
    x = 631,738,308,000.32/910,614.20
  6. Step 6: Final answer
    x = 693,749.68

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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.