Home / 913,460.36-1,370,321.82-282,423.38

Finding the Fourth Proportional to 913,460.36, 1,370,321.82 and 282,423.38

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Solution

The fourth proportional to 913,460.36, 1,370,321.82 and 282,423.38 is: 423,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,460.36 : 1,370,321.82 = 282,423.38 : x
  2. Step 2: Convert to fraction form
    913,460.36/1,370,321.82 = 282,423.38/x
  3. Step 3: Cross multiply
    913,460.36x = 1,370,321.82 × 282,423.38
  4. Step 4: Simplify right side
    913,460.36x = 387,010,913,240.54
  5. Step 5: Solve for x
    x = 387,010,913,240.54/913,460.36
  6. Step 6: Final answer
    x = 423,675.65

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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.