Home / 519,125.90-778,834.65-252,895.10

Finding the Fourth Proportional to 519,125.90, 778,834.65 and 252,895.10

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Solution

The fourth proportional to 519,125.90, 778,834.65 and 252,895.10 is: 379,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,125.90 : 778,834.65 = 252,895.10 : x
  2. Step 2: Convert to fraction form
    519,125.90/778,834.65 = 252,895.10/x
  3. Step 3: Cross multiply
    519,125.90x = 778,834.65 × 252,895.10
  4. Step 4: Simplify right side
    519,125.90x = 196,963,466,695.22
  5. Step 5: Solve for x
    x = 196,963,466,695.22/519,125.90
  6. Step 6: Final answer
    x = 379,413.68

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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.