Home / 840,929.88-1,160,079.62-550,413.66

Finding the Fourth Proportional to 840,929.88, 1,160,079.62 and 550,413.66

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Solution

The fourth proportional to 840,929.88, 1,160,079.62 and 550,413.66 is: 759,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,929.88 : 1,160,079.62 = 550,413.66 : x
  2. Step 2: Convert to fraction form
    840,929.88/1,160,079.62 = 550,413.66/x
  3. Step 3: Cross multiply
    840,929.88x = 1,160,079.62 × 550,413.66
  4. Step 4: Simplify right side
    840,929.88x = 638,523,669,535.61
  5. Step 5: Solve for x
    x = 638,523,669,535.61/840,929.88
  6. Step 6: Final answer
    x = 759,306.67

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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.