Home / 910,259.48-1,256,229.34-502,442.30

Finding the Fourth Proportional to 910,259.48, 1,256,229.34 and 502,442.30

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Solution

The fourth proportional to 910,259.48, 1,256,229.34 and 502,442.30 is: 693,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,259.48 : 1,256,229.34 = 502,442.30 : x
  2. Step 2: Convert to fraction form
    910,259.48/1,256,229.34 = 502,442.30/x
  3. Step 3: Cross multiply
    910,259.48x = 1,256,229.34 × 502,442.30
  4. Step 4: Simplify right side
    910,259.48x = 631,182,758,917.08
  5. Step 5: Solve for x
    x = 631,182,758,917.08/910,259.48
  6. Step 6: Final answer
    x = 693,409.71

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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.