Home / 910,418.33-1,256,503.79-508,036.25

Finding the Fourth Proportional to 910,418.33, 1,256,503.79 and 508,036.25

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Solution

The fourth proportional to 910,418.33, 1,256,503.79 and 508,036.25 is: 701,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,418.33 : 1,256,503.79 = 508,036.25 : x
  2. Step 2: Convert to fraction form
    910,418.33/1,256,503.79 = 508,036.25/x
  3. Step 3: Cross multiply
    910,418.33x = 1,256,503.79 × 508,036.25
  4. Step 4: Simplify right side
    910,418.33x = 638,349,473,582.39
  5. Step 5: Solve for x
    x = 638,349,473,582.39/910,418.33
  6. Step 6: Final answer
    x = 701,160.61

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Double scale
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1.5x scale

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.