Home / 880,785.22-1,215,409.35-488,328.67

Finding the Fourth Proportional to 880,785.22, 1,215,409.35 and 488,328.67

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Solution

The fourth proportional to 880,785.22, 1,215,409.35 and 488,328.67 is: 673,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,785.22 : 1,215,409.35 = 488,328.67 : x
  2. Step 2: Convert to fraction form
    880,785.22/1,215,409.35 = 488,328.67/x
  3. Step 3: Cross multiply
    880,785.22x = 1,215,409.35 × 488,328.67
  4. Step 4: Simplify right side
    880,785.22x = 593,519,231,391.07
  5. Step 5: Solve for x
    x = 593,519,231,391.07/880,785.22
  6. Step 6: Final answer
    x = 673,852.40

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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.