Home / 646,673.22-892,409.22-374,898.66

Finding the Fourth Proportional to 646,673.22, 892,409.22 and 374,898.66

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Solution

The fourth proportional to 646,673.22, 892,409.22 and 374,898.66 is: 517,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,673.22 : 892,409.22 = 374,898.66 : x
  2. Step 2: Convert to fraction form
    646,673.22/892,409.22 = 374,898.66/x
  3. Step 3: Cross multiply
    646,673.22x = 892,409.22 × 374,898.66
  4. Step 4: Simplify right side
    646,673.22x = 334,563,020,749.65
  5. Step 5: Solve for x
    x = 334,563,020,749.65/646,673.22
  6. Step 6: Final answer
    x = 517,360.25

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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.