Home / 700,399.65-1,048,915.49-399,969.57

Finding the Fourth Proportional to 700,399.65, 1,048,915.49 and 399,969.57

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Solution

The fourth proportional to 700,399.65, 1,048,915.49 and 399,969.57 is: 598,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,399.65 : 1,048,915.49 = 399,969.57 : x
  2. Step 2: Convert to fraction form
    700,399.65/1,048,915.49 = 399,969.57/x
  3. Step 3: Cross multiply
    700,399.65x = 1,048,915.49 × 399,969.57
  4. Step 4: Simplify right side
    700,399.65x = 419,534,275,501.79
  5. Step 5: Solve for x
    x = 419,534,275,501.79/700,399.65
  6. Step 6: Final answer
    x = 598,992.70

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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.