Home / 875,941.02-1,313,911.53-343,712.70

Finding the Fourth Proportional to 875,941.02, 1,313,911.53 and 343,712.70

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Solution

The fourth proportional to 875,941.02, 1,313,911.53 and 343,712.70 is: 515,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,941.02 : 1,313,911.53 = 343,712.70 : x
  2. Step 2: Convert to fraction form
    875,941.02/1,313,911.53 = 343,712.70/x
  3. Step 3: Cross multiply
    875,941.02x = 1,313,911.53 × 343,712.70
  4. Step 4: Simplify right side
    875,941.02x = 451,608,079,537.43
  5. Step 5: Solve for x
    x = 451,608,079,537.43/875,941.02
  6. Step 6: Final answer
    x = 515,569.05

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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.