Home / 908,505.60-1,363,276.80-347,942.40

Finding the Fourth Proportional to 908,505.60, 1,363,276.80 and 347,942.40

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Solution

The fourth proportional to 908,505.60, 1,363,276.80 and 347,942.40 is: 522,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,505.60 : 1,363,276.80 = 347,942.40 : x
  2. Step 2: Convert to fraction form
    908,505.60/1,363,276.80 = 347,942.40/x
  3. Step 3: Cross multiply
    908,505.60x = 1,363,276.80 × 347,942.40
  4. Step 4: Simplify right side
    908,505.60x = 474,341,801,656.32
  5. Step 5: Solve for x
    x = 474,341,801,656.32/908,505.60
  6. Step 6: Final answer
    x = 522,112.14

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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.