Home / 913,636.92-1,370,546.67-314,518.80

Finding the Fourth Proportional to 913,636.92, 1,370,546.67 and 314,518.80

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Solution

The fourth proportional to 913,636.92, 1,370,546.67 and 314,518.80 is: 471,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,636.92 : 1,370,546.67 = 314,518.80 : x
  2. Step 2: Convert to fraction form
    913,636.92/1,370,546.67 = 314,518.80/x
  3. Step 3: Cross multiply
    913,636.92x = 1,370,546.67 × 314,518.80
  4. Step 4: Simplify right side
    913,636.92x = 431,062,693,992.40
  5. Step 5: Solve for x
    x = 431,062,693,992.40/913,636.92
  6. Step 6: Final answer
    x = 471,809.63

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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.