Home / 913,146.56-1,260,179.37-505,241.76

Finding the Fourth Proportional to 913,146.56, 1,260,179.37 and 505,241.76

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Solution

The fourth proportional to 913,146.56, 1,260,179.37 and 505,241.76 is: 697,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,146.56 : 1,260,179.37 = 505,241.76 : x
  2. Step 2: Convert to fraction form
    913,146.56/1,260,179.37 = 505,241.76/x
  3. Step 3: Cross multiply
    913,146.56x = 1,260,179.37 × 505,241.76
  4. Step 4: Simplify right side
    913,146.56x = 636,695,242,814.49
  5. Step 5: Solve for x
    x = 636,695,242,814.49/913,146.56
  6. Step 6: Final answer
    x = 697,254.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.