Home / 805,065.07-1,207,410.77-236,293.45

Finding the Fourth Proportional to 805,065.07, 1,207,410.77 and 236,293.45

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Solution

The fourth proportional to 805,065.07, 1,207,410.77 and 236,293.45 is: 354,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,065.07 : 1,207,410.77 = 236,293.45 : x
  2. Step 2: Convert to fraction form
    805,065.07/1,207,410.77 = 236,293.45/x
  3. Step 3: Cross multiply
    805,065.07x = 1,207,410.77 × 236,293.45
  4. Step 4: Simplify right side
    805,065.07x = 285,303,261,293.30
  5. Step 5: Solve for x
    x = 285,303,261,293.30/805,065.07
  6. Step 6: Final answer
    x = 354,385.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.