Home / 825,070.34-1,237,294.42-345,331.37

Finding the Fourth Proportional to 825,070.34, 1,237,294.42 and 345,331.37

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Solution

The fourth proportional to 825,070.34, 1,237,294.42 and 345,331.37 is: 517,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,070.34 : 1,237,294.42 = 345,331.37 : x
  2. Step 2: Convert to fraction form
    825,070.34/1,237,294.42 = 345,331.37/x
  3. Step 3: Cross multiply
    825,070.34x = 1,237,294.42 × 345,331.37
  4. Step 4: Simplify right side
    825,070.34x = 427,276,577,151.96
  5. Step 5: Solve for x
    x = 427,276,577,151.96/825,070.34
  6. Step 6: Final answer
    x = 517,866.85

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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.