Home / 628,364.92-867,147.34-341,887.16

Finding the Fourth Proportional to 628,364.92, 867,147.34 and 341,887.16

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Solution

The fourth proportional to 628,364.92, 867,147.34 and 341,887.16 is: 471,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,364.92 : 867,147.34 = 341,887.16 : x
  2. Step 2: Convert to fraction form
    628,364.92/867,147.34 = 341,887.16/x
  3. Step 3: Cross multiply
    628,364.92x = 867,147.34 × 341,887.16
  4. Step 4: Simplify right side
    628,364.92x = 296,466,541,374.15
  5. Step 5: Solve for x
    x = 296,466,541,374.15/628,364.92
  6. Step 6: Final answer
    x = 471,806.32

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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.