Home / 511,948.72-706,629.75-297,157.98

Finding the Fourth Proportional to 511,948.72, 706,629.75 and 297,157.98

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Solution

The fourth proportional to 511,948.72, 706,629.75 and 297,157.98 is: 410,159.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,948.72 : 706,629.75 = 297,157.98 : x
  2. Step 2: Convert to fraction form
    511,948.72/706,629.75 = 297,157.98/x
  3. Step 3: Cross multiply
    511,948.72x = 706,629.75 × 297,157.98
  4. Step 4: Simplify right side
    511,948.72x = 209,980,669,117.91
  5. Step 5: Solve for x
    x = 209,980,669,117.91/511,948.72
  6. Step 6: Final answer
    x = 410,159.57

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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.