Home / 646,989.96-892,834.11-360,503.94

Finding the Fourth Proportional to 646,989.96, 892,834.11 and 360,503.94

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Solution

The fourth proportional to 646,989.96, 892,834.11 and 360,503.94 is: 497,488.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,989.96 : 892,834.11 = 360,503.94 : x
  2. Step 2: Convert to fraction form
    646,989.96/892,834.11 = 360,503.94/x
  3. Step 3: Cross multiply
    646,989.96x = 892,834.11 × 360,503.94
  4. Step 4: Simplify right side
    646,989.96x = 321,870,214,421.39
  5. Step 5: Solve for x
    x = 321,870,214,421.39/646,989.96
  6. Step 6: Final answer
    x = 497,488.73

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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.