Home / 726,854.58-1,090,285.98-647,261.46

Finding the Fourth Proportional to 726,854.58, 1,090,285.98 and 647,261.46

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Solution

The fourth proportional to 726,854.58, 1,090,285.98 and 647,261.46 is: 970,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,854.58 : 1,090,285.98 = 647,261.46 : x
  2. Step 2: Convert to fraction form
    726,854.58/1,090,285.98 = 647,261.46/x
  3. Step 3: Cross multiply
    726,854.58x = 1,090,285.98 × 647,261.46
  4. Step 4: Simplify right side
    726,854.58x = 705,700,095,232.33
  5. Step 5: Solve for x
    x = 705,700,095,232.33/726,854.58
  6. Step 6: Final answer
    x = 970,895.85

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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.