Home / 913,008.96-1,368,771.36-380,926.44

Finding the Fourth Proportional to 913,008.96, 1,368,771.36 and 380,926.44

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Solution

The fourth proportional to 913,008.96, 1,368,771.36 and 380,926.44 is: 571,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,008.96 : 1,368,771.36 = 380,926.44 : x
  2. Step 2: Convert to fraction form
    913,008.96/1,368,771.36 = 380,926.44/x
  3. Step 3: Cross multiply
    913,008.96x = 1,368,771.36 × 380,926.44
  4. Step 4: Simplify right side
    913,008.96x = 521,401,201,338.76
  5. Step 5: Solve for x
    x = 521,401,201,338.76/913,008.96
  6. Step 6: Final answer
    x = 571,080.05

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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.