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Finding the Fourth Proportional to 500,458.75, 748,804.74 and 350,990.80

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Solution

The fourth proportional to 500,458.75, 748,804.74 and 350,990.80 is: 525,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,458.75 : 748,804.74 = 350,990.80 : x
  2. Step 2: Convert to fraction form
    500,458.75/748,804.74 = 350,990.80/x
  3. Step 3: Cross multiply
    500,458.75x = 748,804.74 × 350,990.80
  4. Step 4: Simplify right side
    500,458.75x = 262,823,574,736.39
  5. Step 5: Solve for x
    x = 262,823,574,736.39/500,458.75
  6. Step 6: Final answer
    x = 525,165.31

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1.5x scale

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.