Home / 947,733.32-1,421,674.78-316,649.32

Finding the Fourth Proportional to 947,733.32, 1,421,674.78 and 316,649.32

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Solution

The fourth proportional to 947,733.32, 1,421,674.78 and 316,649.32 is: 474,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,733.32 : 1,421,674.78 = 316,649.32 : x
  2. Step 2: Convert to fraction form
    947,733.32/1,421,674.78 = 316,649.32/x
  3. Step 3: Cross multiply
    947,733.32x = 1,421,674.78 × 316,649.32
  4. Step 4: Simplify right side
    947,733.32x = 450,172,352,348.15
  5. Step 5: Solve for x
    x = 450,172,352,348.15/947,733.32
  6. Step 6: Final answer
    x = 474,998.97

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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.