Home / 708,799.23-1,063,898.69-309,715.47

Finding the Fourth Proportional to 708,799.23, 1,063,898.69 and 309,715.47

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Solution

The fourth proportional to 708,799.23, 1,063,898.69 and 309,715.47 is: 464,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,799.23 : 1,063,898.69 = 309,715.47 : x
  2. Step 2: Convert to fraction form
    708,799.23/1,063,898.69 = 309,715.47/x
  3. Step 3: Cross multiply
    708,799.23x = 1,063,898.69 × 309,715.47
  4. Step 4: Simplify right side
    708,799.23x = 329,505,881,257.16
  5. Step 5: Solve for x
    x = 329,505,881,257.16/708,799.23
  6. Step 6: Final answer
    x = 464,879.01

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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.