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Finding the Fourth Proportional to 522,446.76, 720,984.65 and 293,054.96

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Solution

The fourth proportional to 522,446.76, 720,984.65 and 293,054.96 is: 404,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,446.76 : 720,984.65 = 293,054.96 : x
  2. Step 2: Convert to fraction form
    522,446.76/720,984.65 = 293,054.96/x
  3. Step 3: Cross multiply
    522,446.76x = 720,984.65 × 293,054.96
  4. Step 4: Simplify right side
    522,446.76x = 211,288,128,103.55
  5. Step 5: Solve for x
    x = 211,288,128,103.55/522,446.76
  6. Step 6: Final answer
    x = 404,420.40

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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.