Home / 880,720.40-1,321,080.60-565,533.20

Finding the Fourth Proportional to 880,720.40, 1,321,080.60 and 565,533.20

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Solution

The fourth proportional to 880,720.40, 1,321,080.60 and 565,533.20 is: 848,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,720.40 : 1,321,080.60 = 565,533.20 : x
  2. Step 2: Convert to fraction form
    880,720.40/1,321,080.60 = 565,533.20/x
  3. Step 3: Cross multiply
    880,720.40x = 1,321,080.60 × 565,533.20
  4. Step 4: Simplify right side
    880,720.40x = 747,114,939,175.92
  5. Step 5: Solve for x
    x = 747,114,939,175.92/880,720.40
  6. Step 6: Final answer
    x = 848,299.80

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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.