Home / 855,406.89-1,180,443.27-468,222.21

Finding the Fourth Proportional to 855,406.89, 1,180,443.27 and 468,222.21

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Solution

The fourth proportional to 855,406.89, 1,180,443.27 and 468,222.21 is: 646,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,406.89 : 1,180,443.27 = 468,222.21 : x
  2. Step 2: Convert to fraction form
    855,406.89/1,180,443.27 = 468,222.21/x
  3. Step 3: Cross multiply
    855,406.89x = 1,180,443.27 × 468,222.21
  4. Step 4: Simplify right side
    855,406.89x = 552,709,756,659.03
  5. Step 5: Solve for x
    x = 552,709,756,659.03/855,406.89
  6. Step 6: Final answer
    x = 646,136.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.