Home / 564,809.40-845,831.70-268,975.80

Finding the Fourth Proportional to 564,809.40, 845,831.70 and 268,975.80

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Solution

The fourth proportional to 564,809.40, 845,831.70 and 268,975.80 is: 402,805.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,809.40 : 845,831.70 = 268,975.80 : x
  2. Step 2: Convert to fraction form
    564,809.40/845,831.70 = 268,975.80/x
  3. Step 3: Cross multiply
    564,809.40x = 845,831.70 × 268,975.80
  4. Step 4: Simplify right side
    564,809.40x = 227,508,258,172.86
  5. Step 5: Solve for x
    x = 227,508,258,172.86/564,809.40
  6. Step 6: Final answer
    x = 402,805.37

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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.