Home / 792,004.70-1,188,007.05-487,574.30

Finding the Fourth Proportional to 792,004.70, 1,188,007.05 and 487,574.30

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Solution

The fourth proportional to 792,004.70, 1,188,007.05 and 487,574.30 is: 731,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,004.70 : 1,188,007.05 = 487,574.30 : x
  2. Step 2: Convert to fraction form
    792,004.70/1,188,007.05 = 487,574.30/x
  3. Step 3: Cross multiply
    792,004.70x = 1,188,007.05 × 487,574.30
  4. Step 4: Simplify right side
    792,004.70x = 579,241,705,798.82
  5. Step 5: Solve for x
    x = 579,241,705,798.82/792,004.70
  6. Step 6: Final answer
    x = 731,361.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.