Home / 726,863.81-1,002,900.47-611,017.72

Finding the Fourth Proportional to 726,863.81, 1,002,900.47 and 611,017.72

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Solution

The fourth proportional to 726,863.81, 1,002,900.47 and 611,017.72 is: 843,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,863.81 : 1,002,900.47 = 611,017.72 : x
  2. Step 2: Convert to fraction form
    726,863.81/1,002,900.47 = 611,017.72/x
  3. Step 3: Cross multiply
    726,863.81x = 1,002,900.47 × 611,017.72
  4. Step 4: Simplify right side
    726,863.81x = 612,789,953,003.99
  5. Step 5: Solve for x
    x = 612,789,953,003.99/726,863.81
  6. Step 6: Final answer
    x = 843,060.21

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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.