Home / 913,048.46-1,368,830.48-380,965.94

Finding the Fourth Proportional to 913,048.46, 1,368,830.48 and 380,965.94

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Solution

The fourth proportional to 913,048.46, 1,368,830.48 and 380,965.94 is: 571,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,048.46 : 1,368,830.48 = 380,965.94 : x
  2. Step 2: Convert to fraction form
    913,048.46/1,368,830.48 = 380,965.94/x
  3. Step 3: Cross multiply
    913,048.46x = 1,368,830.48 × 380,965.94
  4. Step 4: Simplify right side
    913,048.46x = 521,477,790,513.85
  5. Step 5: Solve for x
    x = 521,477,790,513.85/913,048.46
  6. Step 6: Final answer
    x = 571,139.23

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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.