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Finding the Fourth Proportional to 714,967, 1,072,598.22 and 209,544.58

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Solution

The fourth proportional to 714,967, 1,072,598.22 and 209,544.58 is: 314,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,967 : 1,072,598.22 = 209,544.58 : x
  2. Step 2: Convert to fraction form
    714,967/1,072,598.22 = 209,544.58/x
  3. Step 3: Cross multiply
    714,967x = 1,072,598.22 × 209,544.58
  4. Step 4: Simplify right side
    714,967x = 224,757,143,518.65
  5. Step 5: Solve for x
    x = 224,757,143,518.65/714,967
  6. Step 6: Final answer
    x = 314,360.16

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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.