Home / 807,452.37-1,114,309.53-463,351.31

Finding the Fourth Proportional to 807,452.37, 1,114,309.53 and 463,351.31

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Solution

The fourth proportional to 807,452.37, 1,114,309.53 and 463,351.31 is: 639,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,452.37 : 1,114,309.53 = 463,351.31 : x
  2. Step 2: Convert to fraction form
    807,452.37/1,114,309.53 = 463,351.31/x
  3. Step 3: Cross multiply
    807,452.37x = 1,114,309.53 × 463,351.31
  4. Step 4: Simplify right side
    807,452.37x = 516,316,774,899.44
  5. Step 5: Solve for x
    x = 516,316,774,899.44/807,452.37
  6. Step 6: Final answer
    x = 639,439.30

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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.