Home / 985,329.96-1,359,795.66-622,621.46

Finding the Fourth Proportional to 985,329.96, 1,359,795.66 and 622,621.46

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Solution

The fourth proportional to 985,329.96, 1,359,795.66 and 622,621.46 is: 859,243.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,329.96 : 1,359,795.66 = 622,621.46 : x
  2. Step 2: Convert to fraction form
    985,329.96/1,359,795.66 = 622,621.46/x
  3. Step 3: Cross multiply
    985,329.96x = 1,359,795.66 × 622,621.46
  4. Step 4: Simplify right side
    985,329.96x = 846,637,959,130.86
  5. Step 5: Solve for x
    x = 846,637,959,130.86/985,329.96
  6. Step 6: Final answer
    x = 859,243.09

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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.