Home / 979,365.60-1,468,531.60-305,321.28

Finding the Fourth Proportional to 979,365.60, 1,468,531.60 and 305,321.28

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Solution

The fourth proportional to 979,365.60, 1,468,531.60 and 305,321.28 is: 457,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,365.60 : 1,468,531.60 = 305,321.28 : x
  2. Step 2: Convert to fraction form
    979,365.60/1,468,531.60 = 305,321.28/x
  3. Step 3: Cross multiply
    979,365.60x = 1,468,531.60 × 305,321.28
  4. Step 4: Simplify right side
    979,365.60x = 448,373,947,832.45
  5. Step 5: Solve for x
    x = 448,373,947,832.45/979,365.60
  6. Step 6: Final answer
    x = 457,820.81

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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.