Home / 812,873.12-1,121,750.16-450,295.86

Finding the Fourth Proportional to 812,873.12, 1,121,750.16 and 450,295.86

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Solution

The fourth proportional to 812,873.12, 1,121,750.16 and 450,295.86 is: 621,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,873.12 : 1,121,750.16 = 450,295.86 : x
  2. Step 2: Convert to fraction form
    812,873.12/1,121,750.16 = 450,295.86/x
  3. Step 3: Cross multiply
    812,873.12x = 1,121,750.16 × 450,295.86
  4. Step 4: Simplify right side
    812,873.12x = 505,119,453,002.34
  5. Step 5: Solve for x
    x = 505,119,453,002.34/812,873.12
  6. Step 6: Final answer
    x = 621,400.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.