Home / 726,743.01-1,002,895.56-404,453.01

Finding the Fourth Proportional to 726,743.01, 1,002,895.56 and 404,453.01

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Solution

The fourth proportional to 726,743.01, 1,002,895.56 and 404,453.01 is: 558,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,743.01 : 1,002,895.56 = 404,453.01 : x
  2. Step 2: Convert to fraction form
    726,743.01/1,002,895.56 = 404,453.01/x
  3. Step 3: Cross multiply
    726,743.01x = 1,002,895.56 × 404,453.01
  4. Step 4: Simplify right side
    726,743.01x = 405,624,127,957.64
  5. Step 5: Solve for x
    x = 405,624,127,957.64/726,743.01
  6. Step 6: Final answer
    x = 558,139.70

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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.