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Finding the Fourth Proportional to 535,314.60, 802,194.30 and 455,999.40

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Solution

The fourth proportional to 535,314.60, 802,194.30 and 455,999.40 is: 683,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,314.60 : 802,194.30 = 455,999.40 : x
  2. Step 2: Convert to fraction form
    535,314.60/802,194.30 = 455,999.40/x
  3. Step 3: Cross multiply
    535,314.60x = 802,194.30 × 455,999.40
  4. Step 4: Simplify right side
    535,314.60x = 365,800,119,483.42
  5. Step 5: Solve for x
    x = 365,800,119,483.42/535,314.60
  6. Step 6: Final answer
    x = 683,336.71

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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.