Home / 767,968.19-1,152,466.50-318,689.51

Finding the Fourth Proportional to 767,968.19, 1,152,466.50 and 318,689.51

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Solution

The fourth proportional to 767,968.19, 1,152,466.50 and 318,689.51 is: 478,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,968.19 : 1,152,466.50 = 318,689.51 : x
  2. Step 2: Convert to fraction form
    767,968.19/1,152,466.50 = 318,689.51/x
  3. Step 3: Cross multiply
    767,968.19x = 1,152,466.50 × 318,689.51
  4. Step 4: Simplify right side
    767,968.19x = 367,278,978,414.08
  5. Step 5: Solve for x
    x = 367,278,978,414.08/767,968.19
  6. Step 6: Final answer
    x = 478,247.65

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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.