Home / 875,028.94-1,207,540.74-472,620.94

Finding the Fourth Proportional to 875,028.94, 1,207,540.74 and 472,620.94

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Solution

The fourth proportional to 875,028.94, 1,207,540.74 and 472,620.94 is: 652,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,028.94 : 1,207,540.74 = 472,620.94 : x
  2. Step 2: Convert to fraction form
    875,028.94/1,207,540.74 = 472,620.94/x
  3. Step 3: Cross multiply
    875,028.94x = 1,207,540.74 × 472,620.94
  4. Step 4: Simplify right side
    875,028.94x = 570,709,038,380.57
  5. Step 5: Solve for x
    x = 570,709,038,380.57/875,028.94
  6. Step 6: Final answer
    x = 652,217.33

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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.