Home / 770,056.55-1,062,251.44-447,731.02

Finding the Fourth Proportional to 770,056.55, 1,062,251.44 and 447,731.02

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Solution

The fourth proportional to 770,056.55, 1,062,251.44 and 447,731.02 is: 617,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,056.55 : 1,062,251.44 = 447,731.02 : x
  2. Step 2: Convert to fraction form
    770,056.55/1,062,251.44 = 447,731.02/x
  3. Step 3: Cross multiply
    770,056.55x = 1,062,251.44 × 447,731.02
  4. Step 4: Simplify right side
    770,056.55x = 475,602,920,727.67
  5. Step 5: Solve for x
    x = 475,602,920,727.67/770,056.55
  6. Step 6: Final answer
    x = 617,620.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.