Home / 767,968.01-1,152,466.20-318,689.31

Finding the Fourth Proportional to 767,968.01, 1,152,466.20 and 318,689.31

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Solution

The fourth proportional to 767,968.01, 1,152,466.20 and 318,689.31 is: 478,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,968.01 : 1,152,466.20 = 318,689.31 : x
  2. Step 2: Convert to fraction form
    767,968.01/1,152,466.20 = 318,689.31/x
  3. Step 3: Cross multiply
    767,968.01x = 1,152,466.20 × 318,689.31
  4. Step 4: Simplify right side
    767,968.01x = 367,278,658,076.32
  5. Step 5: Solve for x
    x = 367,278,658,076.32/767,968.01
  6. Step 6: Final answer
    x = 478,247.34

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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.