Home / 770,056.30-1,062,251.09-447,730.77

Finding the Fourth Proportional to 770,056.30, 1,062,251.09 and 447,730.77

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Solution

The fourth proportional to 770,056.30, 1,062,251.09 and 447,730.77 is: 617,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,056.30 : 1,062,251.09 = 447,730.77 : x
  2. Step 2: Convert to fraction form
    770,056.30/1,062,251.09 = 447,730.77/x
  3. Step 3: Cross multiply
    770,056.30x = 1,062,251.09 × 447,730.77
  4. Step 4: Simplify right side
    770,056.30x = 475,602,498,459.04
  5. Step 5: Solve for x
    x = 475,602,498,459.04/770,056.30
  6. Step 6: Final answer
    x = 617,620.42

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1.5x scale

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.