Home / 767,968.76-1,152,467.33-318,690.06

Finding the Fourth Proportional to 767,968.76, 1,152,467.33 and 318,690.06

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Solution

The fourth proportional to 767,968.76, 1,152,467.33 and 318,690.06 is: 478,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,968.76 : 1,152,467.33 = 318,690.06 : x
  2. Step 2: Convert to fraction form
    767,968.76/1,152,467.33 = 318,690.06/x
  3. Step 3: Cross multiply
    767,968.76x = 1,152,467.33 × 318,690.06
  4. Step 4: Simplify right side
    767,968.76x = 367,279,880,952.29
  5. Step 5: Solve for x
    x = 367,279,880,952.29/767,968.76
  6. Step 6: Final answer
    x = 478,248.47

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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.