Home / 511,317.08-705,622.53-281,883.36

Finding the Fourth Proportional to 511,317.08, 705,622.53 and 281,883.36

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Solution

The fourth proportional to 511,317.08, 705,622.53 and 281,883.36 is: 389,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,317.08 : 705,622.53 = 281,883.36 : x
  2. Step 2: Convert to fraction form
    511,317.08/705,622.53 = 281,883.36/x
  3. Step 3: Cross multiply
    511,317.08x = 705,622.53 × 281,883.36
  4. Step 4: Simplify right side
    511,317.08x = 198,903,249,648.10
  5. Step 5: Solve for x
    x = 198,903,249,648.10/511,317.08
  6. Step 6: Final answer
    x = 389,001.77

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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.