Home / 765,575.64-1,148,621.04-339,052.32

Finding the Fourth Proportional to 765,575.64, 1,148,621.04 and 339,052.32

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Solution

The fourth proportional to 765,575.64, 1,148,621.04 and 339,052.32 is: 508,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,575.64 : 1,148,621.04 = 339,052.32 : x
  2. Step 2: Convert to fraction form
    765,575.64/1,148,621.04 = 339,052.32/x
  3. Step 3: Cross multiply
    765,575.64x = 1,148,621.04 × 339,052.32
  4. Step 4: Simplify right side
    765,575.64x = 389,442,628,412.81
  5. Step 5: Solve for x
    x = 389,442,628,412.81/765,575.64
  6. Step 6: Final answer
    x = 508,692.56

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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.