Home / 689,164.34-950,907.43-402,629.07

Finding the Fourth Proportional to 689,164.34, 950,907.43 and 402,629.07

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Solution

The fourth proportional to 689,164.34, 950,907.43 and 402,629.07 is: 555,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,164.34 : 950,907.43 = 402,629.07 : x
  2. Step 2: Convert to fraction form
    689,164.34/950,907.43 = 402,629.07/x
  3. Step 3: Cross multiply
    689,164.34x = 950,907.43 × 402,629.07
  4. Step 4: Simplify right side
    689,164.34x = 382,862,973,190.42
  5. Step 5: Solve for x
    x = 382,862,973,190.42/689,164.34
  6. Step 6: Final answer
    x = 555,546.70

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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.