Home / 406,329.75-607,023.57-263,007.41

Finding the Fourth Proportional to 406,329.75, 607,023.57 and 263,007.41

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Solution

The fourth proportional to 406,329.75, 607,023.57 and 263,007.41 is: 392,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,329.75 : 607,023.57 = 263,007.41 : x
  2. Step 2: Convert to fraction form
    406,329.75/607,023.57 = 263,007.41/x
  3. Step 3: Cross multiply
    406,329.75x = 607,023.57 × 263,007.41
  4. Step 4: Simplify right side
    406,329.75x = 159,651,693,426.40
  5. Step 5: Solve for x
    x = 159,651,693,426.40/406,329.75
  6. Step 6: Final answer
    x = 392,911.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.