Home / 886,802.40-1,329,944.40-318,117.60

Finding the Fourth Proportional to 886,802.40, 1,329,944.40 and 318,117.60

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Solution

The fourth proportional to 886,802.40, 1,329,944.40 and 318,117.60 is: 477,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,802.40 : 1,329,944.40 = 318,117.60 : x
  2. Step 2: Convert to fraction form
    886,802.40/1,329,944.40 = 318,117.60/x
  3. Step 3: Cross multiply
    886,802.40x = 1,329,944.40 × 318,117.60
  4. Step 4: Simplify right side
    886,802.40x = 423,078,720,661.44
  5. Step 5: Solve for x
    x = 423,078,720,661.44/886,802.40
  6. Step 6: Final answer
    x = 477,083.42

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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.