Home / 709,602.54-1,064,873.91-389,977.62

Finding the Fourth Proportional to 709,602.54, 1,064,873.91 and 389,977.62

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Solution

The fourth proportional to 709,602.54, 1,064,873.91 and 389,977.62 is: 585,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,602.54 : 1,064,873.91 = 389,977.62 : x
  2. Step 2: Convert to fraction form
    709,602.54/1,064,873.91 = 389,977.62/x
  3. Step 3: Cross multiply
    709,602.54x = 1,064,873.91 × 389,977.62
  4. Step 4: Simplify right side
    709,602.54x = 415,276,990,491.03
  5. Step 5: Solve for x
    x = 415,276,990,491.03/709,602.54
  6. Step 6: Final answer
    x = 585,224.78

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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.