Home / 767,969.01-1,152,467.70-318,690.31

Finding the Fourth Proportional to 767,969.01, 1,152,467.70 and 318,690.31

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Solution

The fourth proportional to 767,969.01, 1,152,467.70 and 318,690.31 is: 478,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,969.01 : 1,152,467.70 = 318,690.31 : x
  2. Step 2: Convert to fraction form
    767,969.01/1,152,467.70 = 318,690.31/x
  3. Step 3: Cross multiply
    767,969.01x = 1,152,467.70 × 318,690.31
  4. Step 4: Simplify right side
    767,969.01x = 367,280,288,577.99
  5. Step 5: Solve for x
    x = 367,280,288,577.99/767,969.01
  6. Step 6: Final answer
    x = 478,248.84

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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.