Home / 989,876.28-1,366,010.46-602,550.84

Finding the Fourth Proportional to 989,876.28, 1,366,010.46 and 602,550.84

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Solution

The fourth proportional to 989,876.28, 1,366,010.46 and 602,550.84 is: 831,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,876.28 : 1,366,010.46 = 602,550.84 : x
  2. Step 2: Convert to fraction form
    989,876.28/1,366,010.46 = 602,550.84/x
  3. Step 3: Cross multiply
    989,876.28x = 1,366,010.46 × 602,550.84
  4. Step 4: Simplify right side
    989,876.28x = 823,090,750,121.79
  5. Step 5: Solve for x
    x = 823,090,750,121.79/989,876.28
  6. Step 6: Final answer
    x = 831,508.71

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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.