Home / 913,050.96-1,368,834.24-380,968.44

Finding the Fourth Proportional to 913,050.96, 1,368,834.24 and 380,968.44

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Solution

The fourth proportional to 913,050.96, 1,368,834.24 and 380,968.44 is: 571,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,050.96 : 1,368,834.24 = 380,968.44 : x
  2. Step 2: Convert to fraction form
    913,050.96/1,368,834.24 = 380,968.44/x
  3. Step 3: Cross multiply
    913,050.96x = 1,368,834.24 × 380,968.44
  4. Step 4: Simplify right side
    913,050.96x = 521,482,645,031.39
  5. Step 5: Solve for x
    x = 521,482,645,031.39/913,050.96
  6. Step 6: Final answer
    x = 571,142.98

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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.