Home / 798,475.34-1,102,291.13-492,720.13

Finding the Fourth Proportional to 798,475.34, 1,102,291.13 and 492,720.13

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Solution

The fourth proportional to 798,475.34, 1,102,291.13 and 492,720.13 is: 680,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,475.34 : 1,102,291.13 = 492,720.13 : x
  2. Step 2: Convert to fraction form
    798,475.34/1,102,291.13 = 492,720.13/x
  3. Step 3: Cross multiply
    798,475.34x = 1,102,291.13 × 492,720.13
  4. Step 4: Simplify right side
    798,475.34x = 543,121,026,407.85
  5. Step 5: Solve for x
    x = 543,121,026,407.85/798,475.34
  6. Step 6: Final answer
    x = 680,197.62

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Double scale
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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.