Home / 469,720.21-704,280.61-309,611.29

Finding the Fourth Proportional to 469,720.21, 704,280.61 and 309,611.29

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Solution

The fourth proportional to 469,720.21, 704,280.61 and 309,611.29 is: 464,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,720.21 : 704,280.61 = 309,611.29 : x
  2. Step 2: Convert to fraction form
    469,720.21/704,280.61 = 309,611.29/x
  3. Step 3: Cross multiply
    469,720.21x = 704,280.61 × 309,611.29
  4. Step 4: Simplify right side
    469,720.21x = 218,053,225,649.36
  5. Step 5: Solve for x
    x = 218,053,225,649.36/469,720.21
  6. Step 6: Final answer
    x = 464,219.38

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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.