Home / 908,810.60-1,366,168.35-778,902.80

Finding the Fourth Proportional to 908,810.60, 1,366,168.35 and 778,902.80

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Solution

The fourth proportional to 908,810.60, 1,366,168.35 and 778,902.80 is: 1,170,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,810.60 : 1,366,168.35 = 778,902.80 : x
  2. Step 2: Convert to fraction form
    908,810.60/1,366,168.35 = 778,902.80/x
  3. Step 3: Cross multiply
    908,810.60x = 1,366,168.35 × 778,902.80
  4. Step 4: Simplify right side
    908,810.60x = 1,064,112,353,086.38
  5. Step 5: Solve for x
    x = 1,064,112,353,086.38/908,810.60
  6. Step 6: Final answer
    x = 1,170,884.62

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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.