Home / 854,056.54-1,281,084.80-348,855.89

Finding the Fourth Proportional to 854,056.54, 1,281,084.80 and 348,855.89

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Solution

The fourth proportional to 854,056.54, 1,281,084.80 and 348,855.89 is: 523,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,056.54 : 1,281,084.80 = 348,855.89 : x
  2. Step 2: Convert to fraction form
    854,056.54/1,281,084.80 = 348,855.89/x
  3. Step 3: Cross multiply
    854,056.54x = 1,281,084.80 × 348,855.89
  4. Step 4: Simplify right side
    854,056.54x = 446,913,978,069.47
  5. Step 5: Solve for x
    x = 446,913,978,069.47/854,056.54
  6. Step 6: Final answer
    x = 523,283.83

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1.5x scale

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.