Home / 986,984.64-1,480,531.05-313,017.15

Finding the Fourth Proportional to 986,984.64, 1,480,531.05 and 313,017.15

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Solution

The fourth proportional to 986,984.64, 1,480,531.05 and 313,017.15 is: 469,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,984.64 : 1,480,531.05 = 313,017.15 : x
  2. Step 2: Convert to fraction form
    986,984.64/1,480,531.05 = 313,017.15/x
  3. Step 3: Cross multiply
    986,984.64x = 1,480,531.05 × 313,017.15
  4. Step 4: Simplify right side
    986,984.64x = 463,431,609,757.51
  5. Step 5: Solve for x
    x = 463,431,609,757.51/986,984.64
  6. Step 6: Final answer
    x = 469,542.88

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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.