Home / 668,720.40-1,003,080.60-295,472.40

Finding the Fourth Proportional to 668,720.40, 1,003,080.60 and 295,472.40

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Solution

The fourth proportional to 668,720.40, 1,003,080.60 and 295,472.40 is: 443,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,720.40 : 1,003,080.60 = 295,472.40 : x
  2. Step 2: Convert to fraction form
    668,720.40/1,003,080.60 = 295,472.40/x
  3. Step 3: Cross multiply
    668,720.40x = 1,003,080.60 × 295,472.40
  4. Step 4: Simplify right side
    668,720.40x = 296,382,632,275.44
  5. Step 5: Solve for x
    x = 296,382,632,275.44/668,720.40
  6. Step 6: Final answer
    x = 443,208.60

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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.