Home / 521,046.02-781,160.74-205,738.94

Finding the Fourth Proportional to 521,046.02, 781,160.74 and 205,738.94

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Solution

The fourth proportional to 521,046.02, 781,160.74 and 205,738.94 is: 308,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,046.02 : 781,160.74 = 205,738.94 : x
  2. Step 2: Convert to fraction form
    521,046.02/781,160.74 = 205,738.94/x
  3. Step 3: Cross multiply
    521,046.02x = 781,160.74 × 205,738.94
  4. Step 4: Simplify right side
    521,046.02x = 160,715,184,055.77
  5. Step 5: Solve for x
    x = 160,715,184,055.77/521,046.02
  6. Step 6: Final answer
    x = 308,447.19

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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.