Home / 905,477.70-1,358,133.51-306,370.25

Finding the Fourth Proportional to 905,477.70, 1,358,133.51 and 306,370.25

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Solution

The fourth proportional to 905,477.70, 1,358,133.51 and 306,370.25 is: 459,527.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,477.70 : 1,358,133.51 = 306,370.25 : x
  2. Step 2: Convert to fraction form
    905,477.70/1,358,133.51 = 306,370.25/x
  3. Step 3: Cross multiply
    905,477.70x = 1,358,133.51 × 306,370.25
  4. Step 4: Simplify right side
    905,477.70x = 416,091,702,992.08
  5. Step 5: Solve for x
    x = 416,091,702,992.08/905,477.70
  6. Step 6: Final answer
    x = 459,527.28

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Double scale
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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.