Home / 758,025.62-1,137,632.73-528,830.78

Finding the Fourth Proportional to 758,025.62, 1,137,632.73 and 528,830.78

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Solution

The fourth proportional to 758,025.62, 1,137,632.73 and 528,830.78 is: 793,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,025.62 : 1,137,632.73 = 528,830.78 : x
  2. Step 2: Convert to fraction form
    758,025.62/1,137,632.73 = 528,830.78/x
  3. Step 3: Cross multiply
    758,025.62x = 1,137,632.73 × 528,830.78
  4. Step 4: Simplify right side
    758,025.62x = 601,615,203,959.43
  5. Step 5: Solve for x
    x = 601,615,203,959.43/758,025.62
  6. Step 6: Final answer
    x = 793,660.78

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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.