Home / 896,153.65-1,236,680.67-488,272.48

Finding the Fourth Proportional to 896,153.65, 1,236,680.67 and 488,272.48

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Solution

The fourth proportional to 896,153.65, 1,236,680.67 and 488,272.48 is: 673,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,153.65 : 1,236,680.67 = 488,272.48 : x
  2. Step 2: Convert to fraction form
    896,153.65/1,236,680.67 = 488,272.48/x
  3. Step 3: Cross multiply
    896,153.65x = 1,236,680.67 × 488,272.48
  4. Step 4: Simplify right side
    896,153.65x = 603,837,137,708.96
  5. Step 5: Solve for x
    x = 603,837,137,708.96/896,153.65
  6. Step 6: Final answer
    x = 673,809.83

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Double scale
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Similar ratio
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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.