Home / 770,848.80-1,063,644.44-484,164.69

Finding the Fourth Proportional to 770,848.80, 1,063,644.44 and 484,164.69

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Solution

The fourth proportional to 770,848.80, 1,063,644.44 and 484,164.69 is: 668,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,848.80 : 1,063,644.44 = 484,164.69 : x
  2. Step 2: Convert to fraction form
    770,848.80/1,063,644.44 = 484,164.69/x
  3. Step 3: Cross multiply
    770,848.80x = 1,063,644.44 × 484,164.69
  4. Step 4: Simplify right side
    770,848.80x = 514,979,076,455.01
  5. Step 5: Solve for x
    x = 514,979,076,455.01/770,848.80
  6. Step 6: Final answer
    x = 668,067.56

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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.