Home / 855,604.94-1,284,669.05-477,264.87

Finding the Fourth Proportional to 855,604.94, 1,284,669.05 and 477,264.87

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Solution

The fourth proportional to 855,604.94, 1,284,669.05 and 477,264.87 is: 716,601.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,604.94 : 1,284,669.05 = 477,264.87 : x
  2. Step 2: Convert to fraction form
    855,604.94/1,284,669.05 = 477,264.87/x
  3. Step 3: Cross multiply
    855,604.94x = 1,284,669.05 × 477,264.87
  4. Step 4: Simplify right side
    855,604.94x = 613,127,404,754.95
  5. Step 5: Solve for x
    x = 613,127,404,754.95/855,604.94
  6. Step 6: Final answer
    x = 716,601.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.