Home / 901,041.92-1,243,441.16-487,578.72

Finding the Fourth Proportional to 901,041.92, 1,243,441.16 and 487,578.72

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Solution

The fourth proportional to 901,041.92, 1,243,441.16 and 487,578.72 is: 672,860.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,041.92 : 1,243,441.16 = 487,578.72 : x
  2. Step 2: Convert to fraction form
    901,041.92/1,243,441.16 = 487,578.72/x
  3. Step 3: Cross multiply
    901,041.92x = 1,243,441.16 × 487,578.72
  4. Step 4: Simplify right side
    901,041.92x = 606,275,449,188.12
  5. Step 5: Solve for x
    x = 606,275,449,188.12/901,041.92
  6. Step 6: Final answer
    x = 672,860.42

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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.