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Finding the Fourth Proportional to 507,413.85, 760,570.61 and 254,083.61

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Solution

The fourth proportional to 507,413.85, 760,570.61 and 254,083.61 is: 380,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,413.85 : 760,570.61 = 254,083.61 : x
  2. Step 2: Convert to fraction form
    507,413.85/760,570.61 = 254,083.61/x
  3. Step 3: Cross multiply
    507,413.85x = 760,570.61 × 254,083.61
  4. Step 4: Simplify right side
    507,413.85x = 193,248,521,175.43
  5. Step 5: Solve for x
    x = 193,248,521,175.43/507,413.85
  6. Step 6: Final answer
    x = 380,849.91

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1.5x scale

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.