Home / 439,730.10-659,699.10-350,111.70

Finding the Fourth Proportional to 439,730.10, 659,699.10 and 350,111.70

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Solution

The fourth proportional to 439,730.10, 659,699.10 and 350,111.70 is: 525,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,730.10 : 659,699.10 = 350,111.70 : x
  2. Step 2: Convert to fraction form
    439,730.10/659,699.10 = 350,111.70/x
  3. Step 3: Cross multiply
    439,730.10x = 659,699.10 × 350,111.70
  4. Step 4: Simplify right side
    439,730.10x = 230,968,373,389.47
  5. Step 5: Solve for x
    x = 230,968,373,389.47/439,730.10
  6. Step 6: Final answer
    x = 525,250.31

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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.