Home / 726,968.02-1,003,237.05-400,314.79

Finding the Fourth Proportional to 726,968.02, 1,003,237.05 and 400,314.79

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Solution

The fourth proportional to 726,968.02, 1,003,237.05 and 400,314.79 is: 552,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,968.02 : 1,003,237.05 = 400,314.79 : x
  2. Step 2: Convert to fraction form
    726,968.02/1,003,237.05 = 400,314.79/x
  3. Step 3: Cross multiply
    726,968.02x = 1,003,237.05 × 400,314.79
  4. Step 4: Simplify right side
    726,968.02x = 401,610,628,990.97
  5. Step 5: Solve for x
    x = 401,610,628,990.97/726,968.02
  6. Step 6: Final answer
    x = 552,446.08

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1.5x scale

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.