Home / 727,464.81-1,003,861.74-400,713.84

Finding the Fourth Proportional to 727,464.81, 1,003,861.74 and 400,713.84

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Solution

The fourth proportional to 727,464.81, 1,003,861.74 and 400,713.84 is: 552,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,464.81 : 1,003,861.74 = 400,713.84 : x
  2. Step 2: Convert to fraction form
    727,464.81/1,003,861.74 = 400,713.84/x
  3. Step 3: Cross multiply
    727,464.81x = 1,003,861.74 × 400,713.84
  4. Step 4: Simplify right side
    727,464.81x = 402,261,292,664.48
  5. Step 5: Solve for x
    x = 402,261,292,664.48/727,464.81
  6. Step 6: Final answer
    x = 552,963.23

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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.