Home / 896,180.76-1,236,722.58-488,281.32

Finding the Fourth Proportional to 896,180.76, 1,236,722.58 and 488,281.32

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Solution

The fourth proportional to 896,180.76, 1,236,722.58 and 488,281.32 is: 673,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,180.76 : 1,236,722.58 = 488,281.32 : x
  2. Step 2: Convert to fraction form
    896,180.76/1,236,722.58 = 488,281.32/x
  3. Step 3: Cross multiply
    896,180.76x = 1,236,722.58 × 488,281.32
  4. Step 4: Simplify right side
    896,180.76x = 603,868,533,836.21
  5. Step 5: Solve for x
    x = 603,868,533,836.21/896,180.76
  6. Step 6: Final answer
    x = 673,824.48

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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.