Home / 806,819.60-1,210,229.40-740,464.40

Finding the Fourth Proportional to 806,819.60, 1,210,229.40 and 740,464.40

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Solution

The fourth proportional to 806,819.60, 1,210,229.40 and 740,464.40 is: 1,110,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,819.60 : 1,210,229.40 = 740,464.40 : x
  2. Step 2: Convert to fraction form
    806,819.60/1,210,229.40 = 740,464.40/x
  3. Step 3: Cross multiply
    806,819.60x = 1,210,229.40 × 740,464.40
  4. Step 4: Simplify right side
    806,819.60x = 896,131,786,533.36
  5. Step 5: Solve for x
    x = 896,131,786,533.36/806,819.60
  6. Step 6: Final answer
    x = 1,110,696.60

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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.