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Finding the Fourth Proportional to 901,894.79, 1,352,809.36 and 270,792.20

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Solution

The fourth proportional to 901,894.79, 1,352,809.36 and 270,792.20 is: 406,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,894.79 : 1,352,809.36 = 270,792.20 : x
  2. Step 2: Convert to fraction form
    901,894.79/1,352,809.36 = 270,792.20/x
  3. Step 3: Cross multiply
    901,894.79x = 1,352,809.36 × 270,792.20
  4. Step 4: Simplify right side
    901,894.79x = 366,330,222,774.99
  5. Step 5: Solve for x
    x = 366,330,222,774.99/901,894.79
  6. Step 6: Final answer
    x = 406,178.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.