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Finding the Fourth Proportional to 613,751.30, 846,747.60 and 612,805.14

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Solution

The fourth proportional to 613,751.30, 846,747.60 and 612,805.14 is: 845,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,751.30 : 846,747.60 = 612,805.14 : x
  2. Step 2: Convert to fraction form
    613,751.30/846,747.60 = 612,805.14/x
  3. Step 3: Cross multiply
    613,751.30x = 846,747.60 × 612,805.14
  4. Step 4: Simplify right side
    613,751.30x = 518,891,281,562.66
  5. Step 5: Solve for x
    x = 518,891,281,562.66/613,751.30
  6. Step 6: Final answer
    x = 845,442.25

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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.