Home / 648,070.29-894,318.39-361,584.21

Finding the Fourth Proportional to 648,070.29, 894,318.39 and 361,584.21

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Solution

The fourth proportional to 648,070.29, 894,318.39 and 361,584.21 is: 498,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,070.29 : 894,318.39 = 361,584.21 : x
  2. Step 2: Convert to fraction form
    648,070.29/894,318.39 = 361,584.21/x
  3. Step 3: Cross multiply
    648,070.29x = 894,318.39 × 361,584.21
  4. Step 4: Simplify right side
    648,070.29x = 323,371,408,536.62
  5. Step 5: Solve for x
    x = 323,371,408,536.62/648,070.29
  6. Step 6: Final answer
    x = 498,975.83

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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.