Home / 711,746.46-982,234.76-405,869.00

Finding the Fourth Proportional to 711,746.46, 982,234.76 and 405,869.00

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Solution

The fourth proportional to 711,746.46, 982,234.76 and 405,869.00 is: 560,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,746.46 : 982,234.76 = 405,869.00 : x
  2. Step 2: Convert to fraction form
    711,746.46/982,234.76 = 405,869.00/x
  3. Step 3: Cross multiply
    711,746.46x = 982,234.76 × 405,869.00
  4. Step 4: Simplify right side
    711,746.46x = 398,658,632,865.92
  5. Step 5: Solve for x
    x = 398,658,632,865.92/711,746.46
  6. Step 6: Final answer
    x = 560,113.26

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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.