Home / 863,356.86-1,295,968.41-365,070.78

Finding the Fourth Proportional to 863,356.86, 1,295,968.41 and 365,070.78

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Solution

The fourth proportional to 863,356.86, 1,295,968.41 and 365,070.78 is: 548,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,356.86 : 1,295,968.41 = 365,070.78 : x
  2. Step 2: Convert to fraction form
    863,356.86/1,295,968.41 = 365,070.78/x
  3. Step 3: Cross multiply
    863,356.86x = 1,295,968.41 × 365,070.78
  4. Step 4: Simplify right side
    863,356.86x = 473,120,198,294.06
  5. Step 5: Solve for x
    x = 473,120,198,294.06/863,356.86
  6. Step 6: Final answer
    x = 548,000.74

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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.