Home / 901,016.36-1,243,385.79-493,109.93

Finding the Fourth Proportional to 901,016.36, 1,243,385.79 and 493,109.93

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Solution

The fourth proportional to 901,016.36, 1,243,385.79 and 493,109.93 is: 680,482.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,016.36 : 1,243,385.79 = 493,109.93 : x
  2. Step 2: Convert to fraction form
    901,016.36/1,243,385.79 = 493,109.93/x
  3. Step 3: Cross multiply
    901,016.36x = 1,243,385.79 × 493,109.93
  4. Step 4: Simplify right side
    901,016.36x = 613,125,876,908.90
  5. Step 5: Solve for x
    x = 613,125,876,908.90/901,016.36
  6. Step 6: Final answer
    x = 680,482.51

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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.