Home / 780,292.88-1,170,675.24-553,028

Finding the Fourth Proportional to 780,292.88, 1,170,675.24 and 553,028

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Solution

The fourth proportional to 780,292.88, 1,170,675.24 and 553,028 is: 829,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,292.88 : 1,170,675.24 = 553,028 : x
  2. Step 2: Convert to fraction form
    780,292.88/1,170,675.24 = 553,028/x
  3. Step 3: Cross multiply
    780,292.88x = 1,170,675.24 × 553,028
  4. Step 4: Simplify right side
    780,292.88x = 647,416,186,626.72
  5. Step 5: Solve for x
    x = 647,416,186,626.72/780,292.88
  6. Step 6: Final answer
    x = 829,709.21

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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.