Home / 452,007.36-624,002.40-318,467.52

Finding the Fourth Proportional to 452,007.36, 624,002.40 and 318,467.52

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Solution

The fourth proportional to 452,007.36, 624,002.40 and 318,467.52 is: 439,648.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,007.36 : 624,002.40 = 318,467.52 : x
  2. Step 2: Convert to fraction form
    452,007.36/624,002.40 = 318,467.52/x
  3. Step 3: Cross multiply
    452,007.36x = 624,002.40 × 318,467.52
  4. Step 4: Simplify right side
    452,007.36x = 198,724,496,802.05
  5. Step 5: Solve for x
    x = 198,724,496,802.05/452,007.36
  6. Step 6: Final answer
    x = 439,648.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.