Home / 1,107,031.32-1,660,548.60-308,315.16

Finding the Fourth Proportional to 1,107,031.32, 1,660,548.60 and 308,315.16

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Solution

The fourth proportional to 1,107,031.32, 1,660,548.60 and 308,315.16 is: 462,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,031.32 : 1,660,548.60 = 308,315.16 : x
  2. Step 2: Convert to fraction form
    1,107,031.32/1,660,548.60 = 308,315.16/x
  3. Step 3: Cross multiply
    1,107,031.32x = 1,660,548.60 × 308,315.16
  4. Step 4: Simplify right side
    1,107,031.32x = 511,972,307,296.78
  5. Step 5: Solve for x
    x = 511,972,307,296.78/1,107,031.32
  6. Step 6: Final answer
    x = 462,473.19

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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.