Home / 875,073.88-1,312,832.25-243,987.69

Finding the Fourth Proportional to 875,073.88, 1,312,832.25 and 243,987.69

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Solution

The fourth proportional to 875,073.88, 1,312,832.25 and 243,987.69 is: 366,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,073.88 : 1,312,832.25 = 243,987.69 : x
  2. Step 2: Convert to fraction form
    875,073.88/1,312,832.25 = 243,987.69/x
  3. Step 3: Cross multiply
    875,073.88x = 1,312,832.25 × 243,987.69
  4. Step 4: Simplify right side
    875,073.88x = 320,314,906,815.06
  5. Step 5: Solve for x
    x = 320,314,906,815.06/875,073.88
  6. Step 6: Final answer
    x = 366,043.27

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.