Home / 506,247.23-698,664.22-288,522.54

Finding the Fourth Proportional to 506,247.23, 698,664.22 and 288,522.54

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Solution

The fourth proportional to 506,247.23, 698,664.22 and 288,522.54 is: 398,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,247.23 : 698,664.22 = 288,522.54 : x
  2. Step 2: Convert to fraction form
    506,247.23/698,664.22 = 288,522.54/x
  3. Step 3: Cross multiply
    506,247.23x = 698,664.22 × 288,522.54
  4. Step 4: Simplify right side
    506,247.23x = 201,580,374,640.21
  5. Step 5: Solve for x
    x = 201,580,374,640.21/506,247.23
  6. Step 6: Final answer
    x = 398,185.63

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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.