Home / 770,043.70-1,062,606.36-447,730.93

Finding the Fourth Proportional to 770,043.70, 1,062,606.36 and 447,730.93

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Solution

The fourth proportional to 770,043.70, 1,062,606.36 and 447,730.93 is: 617,837.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,043.70 : 1,062,606.36 = 447,730.93 : x
  2. Step 2: Convert to fraction form
    770,043.70/1,062,606.36 = 447,730.93/x
  3. Step 3: Cross multiply
    770,043.70x = 1,062,606.36 × 447,730.93
  4. Step 4: Simplify right side
    770,043.70x = 475,761,733,786.72
  5. Step 5: Solve for x
    x = 475,761,733,786.72/770,043.70
  6. Step 6: Final answer
    x = 617,837.32

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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.