Home / 708,800.23-1,063,900.19-309,716.47

Finding the Fourth Proportional to 708,800.23, 1,063,900.19 and 309,716.47

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Solution

The fourth proportional to 708,800.23, 1,063,900.19 and 309,716.47 is: 464,880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,800.23 : 1,063,900.19 = 309,716.47 : x
  2. Step 2: Convert to fraction form
    708,800.23/1,063,900.19 = 309,716.47/x
  3. Step 3: Cross multiply
    708,800.23x = 1,063,900.19 × 309,716.47
  4. Step 4: Simplify right side
    708,800.23x = 329,507,411,279.13
  5. Step 5: Solve for x
    x = 329,507,411,279.13/708,800.23
  6. Step 6: Final answer
    x = 464,880.51

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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.