Home / 726,763.36-1,004,071-555,281.50

Finding the Fourth Proportional to 726,763.36, 1,004,071 and 555,281.50

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Solution

The fourth proportional to 726,763.36, 1,004,071 and 555,281.50 is: 767,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,763.36 : 1,004,071 = 555,281.50 : x
  2. Step 2: Convert to fraction form
    726,763.36/1,004,071 = 555,281.50/x
  3. Step 3: Cross multiply
    726,763.36x = 1,004,071 × 555,281.50
  4. Step 4: Simplify right side
    726,763.36x = 557,542,050,986.50
  5. Step 5: Solve for x
    x = 557,542,050,986.50/726,763.36
  6. Step 6: Final answer
    x = 767,157.62

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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.