Home / 740,991.29-1,022,541.93-418,694.47

Finding the Fourth Proportional to 740,991.29, 1,022,541.93 and 418,694.47

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Solution

The fourth proportional to 740,991.29, 1,022,541.93 and 418,694.47 is: 577,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,991.29 : 1,022,541.93 = 418,694.47 : x
  2. Step 2: Convert to fraction form
    740,991.29/1,022,541.93 = 418,694.47/x
  3. Step 3: Cross multiply
    740,991.29x = 1,022,541.93 × 418,694.47
  4. Step 4: Simplify right side
    740,991.29x = 428,132,648,877.77
  5. Step 5: Solve for x
    x = 428,132,648,877.77/740,991.29
  6. Step 6: Final answer
    x = 577,783.65

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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.