Home / 818,879.92-1,130,025.54-456,285.04

Finding the Fourth Proportional to 818,879.92, 1,130,025.54 and 456,285.04

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Solution

The fourth proportional to 818,879.92, 1,130,025.54 and 456,285.04 is: 629,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,879.92 : 1,130,025.54 = 456,285.04 : x
  2. Step 2: Convert to fraction form
    818,879.92/1,130,025.54 = 456,285.04/x
  3. Step 3: Cross multiply
    818,879.92x = 1,130,025.54 × 456,285.04
  4. Step 4: Simplify right side
    818,879.92x = 515,613,748,719.92
  5. Step 5: Solve for x
    x = 515,613,748,719.92/818,879.92
  6. Step 6: Final answer
    x = 629,657.34

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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.