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Finding the Fourth Proportional to 350,460.40, 524,999.40 and 325,577.20

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Solution

The fourth proportional to 350,460.40, 524,999.40 and 325,577.20 is: 487,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,460.40 : 524,999.40 = 325,577.20 : x
  2. Step 2: Convert to fraction form
    350,460.40/524,999.40 = 325,577.20/x
  3. Step 3: Cross multiply
    350,460.40x = 524,999.40 × 325,577.20
  4. Step 4: Simplify right side
    350,460.40x = 170,927,834,653.68
  5. Step 5: Solve for x
    x = 170,927,834,653.68/350,460.40
  6. Step 6: Final answer
    x = 487,723.68

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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.