Home / 820,741.64-1,232,474.04-507,191.48

Finding the Fourth Proportional to 820,741.64, 1,232,474.04 and 507,191.48

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Solution

The fourth proportional to 820,741.64, 1,232,474.04 and 507,191.48 is: 761,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,741.64 : 1,232,474.04 = 507,191.48 : x
  2. Step 2: Convert to fraction form
    820,741.64/1,232,474.04 = 507,191.48/x
  3. Step 3: Cross multiply
    820,741.64x = 1,232,474.04 × 507,191.48
  4. Step 4: Simplify right side
    820,741.64x = 625,100,332,409.18
  5. Step 5: Solve for x
    x = 625,100,332,409.18/820,741.64
  6. Step 6: Final answer
    x = 761,628.63

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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.