Home / 838,863.76-1,157,746.26-494,796.88

Finding the Fourth Proportional to 838,863.76, 1,157,746.26 and 494,796.88

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Solution

The fourth proportional to 838,863.76, 1,157,746.26 and 494,796.88 is: 682,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,863.76 : 1,157,746.26 = 494,796.88 : x
  2. Step 2: Convert to fraction form
    838,863.76/1,157,746.26 = 494,796.88/x
  3. Step 3: Cross multiply
    838,863.76x = 1,157,746.26 × 494,796.88
  4. Step 4: Simplify right side
    838,863.76x = 572,849,237,279.67
  5. Step 5: Solve for x
    x = 572,849,237,279.67/838,863.76
  6. Step 6: Final answer
    x = 682,887.10

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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.