Home / 699,919.20-1,049,101.20-384,602.40

Finding the Fourth Proportional to 699,919.20, 1,049,101.20 and 384,602.40

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Solution

The fourth proportional to 699,919.20, 1,049,101.20 and 384,602.40 is: 576,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,919.20 : 1,049,101.20 = 384,602.40 : x
  2. Step 2: Convert to fraction form
    699,919.20/1,049,101.20 = 384,602.40/x
  3. Step 3: Cross multiply
    699,919.20x = 1,049,101.20 × 384,602.40
  4. Step 4: Simplify right side
    699,919.20x = 403,486,839,362.88
  5. Step 5: Solve for x
    x = 403,486,839,362.88/699,919.20
  6. Step 6: Final answer
    x = 576,476.31

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1.5x scale

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.