Home / 646,645.46-892,289.87-374,708.42

Finding the Fourth Proportional to 646,645.46, 892,289.87 and 374,708.42

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Solution

The fourth proportional to 646,645.46, 892,289.87 and 374,708.42 is: 517,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,645.46 : 892,289.87 = 374,708.42 : x
  2. Step 2: Convert to fraction form
    646,645.46/892,289.87 = 374,708.42/x
  3. Step 3: Cross multiply
    646,645.46x = 892,289.87 × 374,708.42
  4. Step 4: Simplify right side
    646,645.46x = 334,348,521,034.71
  5. Step 5: Solve for x
    x = 334,348,521,034.71/646,645.46
  6. Step 6: Final answer
    x = 517,050.76

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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.