Home / 689,218.64-1,035,008.92-374,290.64

Finding the Fourth Proportional to 689,218.64, 1,035,008.92 and 374,290.64

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Solution

The fourth proportional to 689,218.64, 1,035,008.92 and 374,290.64 is: 562,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,218.64 : 1,035,008.92 = 374,290.64 : x
  2. Step 2: Convert to fraction form
    689,218.64/1,035,008.92 = 374,290.64/x
  3. Step 3: Cross multiply
    689,218.64x = 1,035,008.92 × 374,290.64
  4. Step 4: Simplify right side
    689,218.64x = 387,394,151,072.51
  5. Step 5: Solve for x
    x = 387,394,151,072.51/689,218.64
  6. Step 6: Final answer
    x = 562,077.30

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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.