Home / 945,769-1,304,982.66-563,831.32

Finding the Fourth Proportional to 945,769, 1,304,982.66 and 563,831.32

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Solution

The fourth proportional to 945,769, 1,304,982.66 and 563,831.32 is: 777,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,769 : 1,304,982.66 = 563,831.32 : x
  2. Step 2: Convert to fraction form
    945,769/1,304,982.66 = 563,831.32/x
  3. Step 3: Cross multiply
    945,769x = 1,304,982.66 × 563,831.32
  4. Step 4: Simplify right side
    945,769x = 735,790,095,764.91
  5. Step 5: Solve for x
    x = 735,790,095,764.91/945,769
  6. Step 6: Final answer
    x = 777,980.77

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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.