Home / 668,321.36-1,000,255.56-534,574.16

Finding the Fourth Proportional to 668,321.36, 1,000,255.56 and 534,574.16

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Solution

The fourth proportional to 668,321.36, 1,000,255.56 and 534,574.16 is: 800,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,321.36 : 1,000,255.56 = 534,574.16 : x
  2. Step 2: Convert to fraction form
    668,321.36/1,000,255.56 = 534,574.16/x
  3. Step 3: Cross multiply
    668,321.36x = 1,000,255.56 × 534,574.16
  4. Step 4: Simplify right side
    668,321.36x = 534,710,775,772.33
  5. Step 5: Solve for x
    x = 534,710,775,772.33/668,321.36
  6. Step 6: Final answer
    x = 800,080.33

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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.