Home / 726,765.36-1,004,073.76-555,283.50

Finding the Fourth Proportional to 726,765.36, 1,004,073.76 and 555,283.50

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Solution

The fourth proportional to 726,765.36, 1,004,073.76 and 555,283.50 is: 767,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,765.36 : 1,004,073.76 = 555,283.50 : x
  2. Step 2: Convert to fraction form
    726,765.36/1,004,073.76 = 555,283.50/x
  3. Step 3: Cross multiply
    726,765.36x = 1,004,073.76 × 555,283.50
  4. Step 4: Simplify right side
    726,765.36x = 557,545,591,710.96
  5. Step 5: Solve for x
    x = 557,545,591,710.96/726,765.36
  6. Step 6: Final answer
    x = 767,160.38

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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.