Home / 838,096-1,156,370.74-493,945.68

Finding the Fourth Proportional to 838,096, 1,156,370.74 and 493,945.68

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Solution

The fourth proportional to 838,096, 1,156,370.74 and 493,945.68 is: 681,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,096 : 1,156,370.74 = 493,945.68 : x
  2. Step 2: Convert to fraction form
    838,096/1,156,370.74 = 493,945.68/x
  3. Step 3: Cross multiply
    838,096x = 1,156,370.74 × 493,945.68
  4. Step 4: Simplify right side
    838,096x = 571,184,331,501.40
  5. Step 5: Solve for x
    x = 571,184,331,501.40/838,096
  6. Step 6: Final answer
    x = 681,526.14

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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.