Home / 854,533.80-1,281,406.02-314,654.49

Finding the Fourth Proportional to 854,533.80, 1,281,406.02 and 314,654.49

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Solution

The fourth proportional to 854,533.80, 1,281,406.02 and 314,654.49 is: 471,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,533.80 : 1,281,406.02 = 314,654.49 : x
  2. Step 2: Convert to fraction form
    854,533.80/1,281,406.02 = 314,654.49/x
  3. Step 3: Cross multiply
    854,533.80x = 1,281,406.02 × 314,654.49
  4. Step 4: Simplify right side
    854,533.80x = 403,200,157,706.03
  5. Step 5: Solve for x
    x = 403,200,157,706.03/854,533.80
  6. Step 6: Final answer
    x = 471,836.41

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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.