Home / 700,205.18-966,375.23-394,341.36

Finding the Fourth Proportional to 700,205.18, 966,375.23 and 394,341.36

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Solution

The fourth proportional to 700,205.18, 966,375.23 and 394,341.36 is: 544,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,205.18 : 966,375.23 = 394,341.36 : x
  2. Step 2: Convert to fraction form
    700,205.18/966,375.23 = 394,341.36/x
  3. Step 3: Cross multiply
    700,205.18x = 966,375.23 × 394,341.36
  4. Step 4: Simplify right side
    700,205.18x = 381,081,719,830.46
  5. Step 5: Solve for x
    x = 381,081,719,830.46/700,205.18
  6. Step 6: Final answer
    x = 544,242.93

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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.