Home / 781,406.77-1,172,155.56-301,637.29

Finding the Fourth Proportional to 781,406.77, 1,172,155.56 and 301,637.29

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Solution

The fourth proportional to 781,406.77, 1,172,155.56 and 301,637.29 is: 452,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,406.77 : 1,172,155.56 = 301,637.29 : x
  2. Step 2: Convert to fraction form
    781,406.77/1,172,155.56 = 301,637.29/x
  3. Step 3: Cross multiply
    781,406.77x = 1,172,155.56 × 301,637.29
  4. Step 4: Simplify right side
    781,406.77x = 353,565,823,646.44
  5. Step 5: Solve for x
    x = 353,565,823,646.44/781,406.77
  6. Step 6: Final answer
    x = 452,473.46

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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.