Home / 648,446.62-894,852.90-376,581.34

Finding the Fourth Proportional to 648,446.62, 894,852.90 and 376,581.34

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Solution

The fourth proportional to 648,446.62, 894,852.90 and 376,581.34 is: 519,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,446.62 : 894,852.90 = 376,581.34 : x
  2. Step 2: Convert to fraction form
    648,446.62/894,852.90 = 376,581.34/x
  3. Step 3: Cross multiply
    648,446.62x = 894,852.90 × 376,581.34
  4. Step 4: Simplify right side
    648,446.62x = 336,984,904,184.89
  5. Step 5: Solve for x
    x = 336,984,904,184.89/648,446.62
  6. Step 6: Final answer
    x = 519,680.25

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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.