Home / 806,321.21-1,209,656.77-245,341.13

Finding the Fourth Proportional to 806,321.21, 1,209,656.77 and 245,341.13

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Solution

The fourth proportional to 806,321.21, 1,209,656.77 and 245,341.13 is: 368,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,321.21 : 1,209,656.77 = 245,341.13 : x
  2. Step 2: Convert to fraction form
    806,321.21/1,209,656.77 = 245,341.13/x
  3. Step 3: Cross multiply
    806,321.21x = 1,209,656.77 × 245,341.13
  4. Step 4: Simplify right side
    806,321.21x = 296,778,552,202.31
  5. Step 5: Solve for x
    x = 296,778,552,202.31/806,321.21
  6. Step 6: Final answer
    x = 368,064.92

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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.