Home / 770,068.44-1,062,267.84-447,742.92

Finding the Fourth Proportional to 770,068.44, 1,062,267.84 and 447,742.92

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Solution

The fourth proportional to 770,068.44, 1,062,267.84 and 447,742.92 is: 617,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,068.44 : 1,062,267.84 = 447,742.92 : x
  2. Step 2: Convert to fraction form
    770,068.44/1,062,267.84 = 447,742.92/x
  3. Step 3: Cross multiply
    770,068.44x = 1,062,267.84 × 447,742.92
  4. Step 4: Simplify right side
    770,068.44x = 475,622,904,503.69
  5. Step 5: Solve for x
    x = 475,622,904,503.69/770,068.44
  6. Step 6: Final answer
    x = 617,637.19

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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.