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Finding the Fourth Proportional to 401,066.90, 601,600.35 and 355,966.10

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Solution

The fourth proportional to 401,066.90, 601,600.35 and 355,966.10 is: 533,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,066.90 : 601,600.35 = 355,966.10 : x
  2. Step 2: Convert to fraction form
    401,066.90/601,600.35 = 355,966.10/x
  3. Step 3: Cross multiply
    401,066.90x = 601,600.35 × 355,966.10
  4. Step 4: Simplify right side
    401,066.90x = 214,149,330,348.14
  5. Step 5: Solve for x
    x = 214,149,330,348.14/401,066.90
  6. Step 6: Final answer
    x = 533,949.15

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Similar ratio
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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.