Home / 880,772.20-1,215,391.43-488,315.66

Finding the Fourth Proportional to 880,772.20, 1,215,391.43 and 488,315.66

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Solution

The fourth proportional to 880,772.20, 1,215,391.43 and 488,315.66 is: 673,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,772.20 : 1,215,391.43 = 488,315.66 : x
  2. Step 2: Convert to fraction form
    880,772.20/1,215,391.43 = 488,315.66/x
  3. Step 3: Cross multiply
    880,772.20x = 1,215,391.43 × 488,315.66
  4. Step 4: Simplify right side
    880,772.20x = 593,494,663,442.63
  5. Step 5: Solve for x
    x = 593,494,663,442.63/880,772.20
  6. Step 6: Final answer
    x = 673,834.47

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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.