Home / 840,961.69-1,160,491.07-496,908.32

Finding the Fourth Proportional to 840,961.69, 1,160,491.07 and 496,908.32

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Solution

The fourth proportional to 840,961.69, 1,160,491.07 and 496,908.32 is: 685,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,961.69 : 1,160,491.07 = 496,908.32 : x
  2. Step 2: Convert to fraction form
    840,961.69/1,160,491.07 = 496,908.32/x
  3. Step 3: Cross multiply
    840,961.69x = 1,160,491.07 × 496,908.32
  4. Step 4: Simplify right side
    840,961.69x = 576,657,662,166.25
  5. Step 5: Solve for x
    x = 576,657,662,166.25/840,961.69
  6. Step 6: Final answer
    x = 685,712.17

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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.