Home / 988,969.22-1,482,962.88-314,962.64

Finding the Fourth Proportional to 988,969.22, 1,482,962.88 and 314,962.64

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Solution

The fourth proportional to 988,969.22, 1,482,962.88 and 314,962.64 is: 472,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,969.22 : 1,482,962.88 = 314,962.64 : x
  2. Step 2: Convert to fraction form
    988,969.22/1,482,962.88 = 314,962.64/x
  3. Step 3: Cross multiply
    988,969.22x = 1,482,962.88 × 314,962.64
  4. Step 4: Simplify right side
    988,969.22x = 467,077,903,706.80
  5. Step 5: Solve for x
    x = 467,077,903,706.80/988,969.22
  6. Step 6: Final answer
    x = 472,287.60

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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.