Home / 631,185.08-871,030.96-344,705.24

Finding the Fourth Proportional to 631,185.08, 871,030.96 and 344,705.24

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Solution

The fourth proportional to 631,185.08, 871,030.96 and 344,705.24 is: 475,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,185.08 : 871,030.96 = 344,705.24 : x
  2. Step 2: Convert to fraction form
    631,185.08/871,030.96 = 344,705.24/x
  3. Step 3: Cross multiply
    631,185.08x = 871,030.96 × 344,705.24
  4. Step 4: Simplify right side
    631,185.08x = 300,248,936,114.23
  5. Step 5: Solve for x
    x = 300,248,936,114.23/631,185.08
  6. Step 6: Final answer
    x = 475,690.80

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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.