Home / 930,987.52-1,284,763.62-528,579.52

Finding the Fourth Proportional to 930,987.52, 1,284,763.62 and 528,579.52

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Solution

The fourth proportional to 930,987.52, 1,284,763.62 and 528,579.52 is: 729,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,987.52 : 1,284,763.62 = 528,579.52 : x
  2. Step 2: Convert to fraction form
    930,987.52/1,284,763.62 = 528,579.52/x
  3. Step 3: Cross multiply
    930,987.52x = 1,284,763.62 × 528,579.52
  4. Step 4: Simplify right side
    930,987.52x = 679,099,737,573.06
  5. Step 5: Solve for x
    x = 679,099,737,573.06/930,987.52
  6. Step 6: Final answer
    x = 729,440.22

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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.