Home / 806,909.77-1,210,452.27-301,712.77

Finding the Fourth Proportional to 806,909.77, 1,210,452.27 and 301,712.77

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Solution

The fourth proportional to 806,909.77, 1,210,452.27 and 301,712.77 is: 452,601.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,909.77 : 1,210,452.27 = 301,712.77 : x
  2. Step 2: Convert to fraction form
    806,909.77/1,210,452.27 = 301,712.77/x
  3. Step 3: Cross multiply
    806,909.77x = 1,210,452.27 × 301,712.77
  4. Step 4: Simplify right side
    806,909.77x = 365,208,907,334.49
  5. Step 5: Solve for x
    x = 365,208,907,334.49/806,909.77
  6. Step 6: Final answer
    x = 452,601.92

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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.