Home / 875,235.90-1,310,229.45-520,067.10

Finding the Fourth Proportional to 875,235.90, 1,310,229.45 and 520,067.10

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Solution

The fourth proportional to 875,235.90, 1,310,229.45 and 520,067.10 is: 778,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,235.90 : 1,310,229.45 = 520,067.10 : x
  2. Step 2: Convert to fraction form
    875,235.90/1,310,229.45 = 520,067.10/x
  3. Step 3: Cross multiply
    875,235.90x = 1,310,229.45 × 520,067.10
  4. Step 4: Simplify right side
    875,235.90x = 681,407,230,396.10
  5. Step 5: Solve for x
    x = 681,407,230,396.10/875,235.90
  6. Step 6: Final answer
    x = 778,541.23

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Double scale
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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.