Home / 947,698.20-1,421,337.96-273,633.12

Finding the Fourth Proportional to 947,698.20, 1,421,337.96 and 273,633.12

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Solution

The fourth proportional to 947,698.20, 1,421,337.96 and 273,633.12 is: 410,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,698.20 : 1,421,337.96 = 273,633.12 : x
  2. Step 2: Convert to fraction form
    947,698.20/1,421,337.96 = 273,633.12/x
  3. Step 3: Cross multiply
    947,698.20x = 1,421,337.96 × 273,633.12
  4. Step 4: Simplify right side
    947,698.20x = 388,925,140,569.24
  5. Step 5: Solve for x
    x = 388,925,140,569.24/947,698.20
  6. Step 6: Final answer
    x = 410,389.24

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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.