Home / 703,811.16-1,054,011.89-487,062.54

Finding the Fourth Proportional to 703,811.16, 1,054,011.89 and 487,062.54

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Solution

The fourth proportional to 703,811.16, 1,054,011.89 and 487,062.54 is: 729,413.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,811.16 : 1,054,011.89 = 487,062.54 : x
  2. Step 2: Convert to fraction form
    703,811.16/1,054,011.89 = 487,062.54/x
  3. Step 3: Cross multiply
    703,811.16x = 1,054,011.89 × 487,062.54
  4. Step 4: Simplify right side
    703,811.16x = 513,369,705,898.29
  5. Step 5: Solve for x
    x = 513,369,705,898.29/703,811.16
  6. Step 6: Final answer
    x = 729,413.99

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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.