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Finding the Fourth Proportional to 631,570.24, 871,573.08 and 345,090.32

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Solution

The fourth proportional to 631,570.24, 871,573.08 and 345,090.32 is: 476,228.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,570.24 : 871,573.08 = 345,090.32 : x
  2. Step 2: Convert to fraction form
    631,570.24/871,573.08 = 345,090.32/x
  3. Step 3: Cross multiply
    631,570.24x = 871,573.08 × 345,090.32
  4. Step 4: Simplify right side
    631,570.24x = 300,771,433,080.59
  5. Step 5: Solve for x
    x = 300,771,433,080.59/631,570.24
  6. Step 6: Final answer
    x = 476,228.00

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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.