Home / 804,740.40-1,207,110.60-306,039.60

Finding the Fourth Proportional to 804,740.40, 1,207,110.60 and 306,039.60

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Solution

The fourth proportional to 804,740.40, 1,207,110.60 and 306,039.60 is: 459,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,740.40 : 1,207,110.60 = 306,039.60 : x
  2. Step 2: Convert to fraction form
    804,740.40/1,207,110.60 = 306,039.60/x
  3. Step 3: Cross multiply
    804,740.40x = 1,207,110.60 × 306,039.60
  4. Step 4: Simplify right side
    804,740.40x = 369,423,645,179.76
  5. Step 5: Solve for x
    x = 369,423,645,179.76/804,740.40
  6. Step 6: Final answer
    x = 459,059.40

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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.