Home / 751,278.30-1,036,371.85-460,954.63

Finding the Fourth Proportional to 751,278.30, 1,036,371.85 and 460,954.63

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Solution

The fourth proportional to 751,278.30, 1,036,371.85 and 460,954.63 is: 635,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,278.30 : 1,036,371.85 = 460,954.63 : x
  2. Step 2: Convert to fraction form
    751,278.30/1,036,371.85 = 460,954.63/x
  3. Step 3: Cross multiply
    751,278.30x = 1,036,371.85 × 460,954.63
  4. Step 4: Simplify right side
    751,278.30x = 477,720,402,659.17
  5. Step 5: Solve for x
    x = 477,720,402,659.17/751,278.30
  6. Step 6: Final answer
    x = 635,876.75

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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.