Home / 726,766.86-1,004,075.83-555,285

Finding the Fourth Proportional to 726,766.86, 1,004,075.83 and 555,285

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Solution

The fourth proportional to 726,766.86, 1,004,075.83 and 555,285 is: 767,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,766.86 : 1,004,075.83 = 555,285 : x
  2. Step 2: Convert to fraction form
    726,766.86/1,004,075.83 = 555,285/x
  3. Step 3: Cross multiply
    726,766.86x = 1,004,075.83 × 555,285
  4. Step 4: Simplify right side
    726,766.86x = 557,548,247,261.55
  5. Step 5: Solve for x
    x = 557,548,247,261.55/726,766.86
  6. Step 6: Final answer
    x = 767,162.45

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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.