Home / 855,580.22-1,284,631.95-477,240.15

Finding the Fourth Proportional to 855,580.22, 1,284,631.95 and 477,240.15

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Solution

The fourth proportional to 855,580.22, 1,284,631.95 and 477,240.15 is: 716,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,580.22 : 1,284,631.95 = 477,240.15 : x
  2. Step 2: Convert to fraction form
    855,580.22/1,284,631.95 = 477,240.15/x
  3. Step 3: Cross multiply
    855,580.22x = 1,284,631.95 × 477,240.15
  4. Step 4: Simplify right side
    855,580.22x = 613,077,951,119.81
  5. Step 5: Solve for x
    x = 613,077,951,119.81/855,580.22
  6. Step 6: Final answer
    x = 716,563.96

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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.