Home / 869,496.98-1,304,620.90-470,418.69

Finding the Fourth Proportional to 869,496.98, 1,304,620.90 and 470,418.69

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Solution

The fourth proportional to 869,496.98, 1,304,620.90 and 470,418.69 is: 705,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,496.98 : 1,304,620.90 = 470,418.69 : x
  2. Step 2: Convert to fraction form
    869,496.98/1,304,620.90 = 470,418.69/x
  3. Step 3: Cross multiply
    869,496.98x = 1,304,620.90 × 470,418.69
  4. Step 4: Simplify right side
    869,496.98x = 613,718,049,377.56
  5. Step 5: Solve for x
    x = 613,718,049,377.56/869,496.98
  6. Step 6: Final answer
    x = 705,831.15

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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.