Home / 705,413.17-973,477.20-383,129.56

Finding the Fourth Proportional to 705,413.17, 973,477.20 and 383,129.56

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Solution

The fourth proportional to 705,413.17, 973,477.20 and 383,129.56 is: 528,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,413.17 : 973,477.20 = 383,129.56 : x
  2. Step 2: Convert to fraction form
    705,413.17/973,477.20 = 383,129.56/x
  3. Step 3: Cross multiply
    705,413.17x = 973,477.20 × 383,129.56
  4. Step 4: Simplify right side
    705,413.17x = 372,967,891,306.03
  5. Step 5: Solve for x
    x = 372,967,891,306.03/705,413.17
  6. Step 6: Final answer
    x = 528,722.61

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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.