Home / 807,992.49-1,115,026.79-468,654.33

Finding the Fourth Proportional to 807,992.49, 1,115,026.79 and 468,654.33

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Solution

The fourth proportional to 807,992.49, 1,115,026.79 and 468,654.33 is: 646,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,992.49 : 1,115,026.79 = 468,654.33 : x
  2. Step 2: Convert to fraction form
    807,992.49/1,115,026.79 = 468,654.33/x
  3. Step 3: Cross multiply
    807,992.49x = 1,115,026.79 × 468,654.33
  4. Step 4: Simplify right side
    807,992.49x = 522,562,130,856.23
  5. Step 5: Solve for x
    x = 522,562,130,856.23/807,992.49
  6. Step 6: Final answer
    x = 646,741.32

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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.