Home / 775,222.08-1,161,649.02-325,697.20

Finding the Fourth Proportional to 775,222.08, 1,161,649.02 and 325,697.20

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Solution

The fourth proportional to 775,222.08, 1,161,649.02 and 325,697.20 is: 488,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,222.08 : 1,161,649.02 = 325,697.20 : x
  2. Step 2: Convert to fraction form
    775,222.08/1,161,649.02 = 325,697.20/x
  3. Step 3: Cross multiply
    775,222.08x = 1,161,649.02 × 325,697.20
  4. Step 4: Simplify right side
    775,222.08x = 378,345,833,196.74
  5. Step 5: Solve for x
    x = 378,345,833,196.74/775,222.08
  6. Step 6: Final answer
    x = 488,048.32

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Double scale
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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.