Home / 910,489.32-1,256,544.83-502,669.71

Finding the Fourth Proportional to 910,489.32, 1,256,544.83 and 502,669.71

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Solution

The fourth proportional to 910,489.32, 1,256,544.83 and 502,669.71 is: 693,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,489.32 : 1,256,544.83 = 502,669.71 : x
  2. Step 2: Convert to fraction form
    910,489.32/1,256,544.83 = 502,669.71/x
  3. Step 3: Cross multiply
    910,489.32x = 1,256,544.83 × 502,669.71
  4. Step 4: Simplify right side
    910,489.32x = 631,627,026,554.77
  5. Step 5: Solve for x
    x = 631,627,026,554.77/910,489.32
  6. Step 6: Final answer
    x = 693,722.61

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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.