Home / 727,608.90-1,004,110.65-417,561.96

Finding the Fourth Proportional to 727,608.90, 1,004,110.65 and 417,561.96

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Solution

The fourth proportional to 727,608.90, 1,004,110.65 and 417,561.96 is: 576,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,608.90 : 1,004,110.65 = 417,561.96 : x
  2. Step 2: Convert to fraction form
    727,608.90/1,004,110.65 = 417,561.96/x
  3. Step 3: Cross multiply
    727,608.90x = 1,004,110.65 × 417,561.96
  4. Step 4: Simplify right side
    727,608.90x = 419,278,411,070.87
  5. Step 5: Solve for x
    x = 419,278,411,070.87/727,608.90
  6. Step 6: Final answer
    x = 576,241.45

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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.