Home / 910,447.83-1,256,418.07-502,549.77

Finding the Fourth Proportional to 910,447.83, 1,256,418.07 and 502,549.77

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Solution

The fourth proportional to 910,447.83, 1,256,418.07 and 502,549.77 is: 693,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,447.83 : 1,256,418.07 = 502,549.77 : x
  2. Step 2: Convert to fraction form
    910,447.83/1,256,418.07 = 502,549.77/x
  3. Step 3: Cross multiply
    910,447.83x = 1,256,418.07 × 502,549.77
  4. Step 4: Simplify right side
    910,447.83x = 631,412,608,490.19
  5. Step 5: Solve for x
    x = 631,412,608,490.19/910,447.83
  6. Step 6: Final answer
    x = 693,518.71

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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.