Home / 910,829.80-1,366,244.70-808,478.20

Finding the Fourth Proportional to 910,829.80, 1,366,244.70 and 808,478.20

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Solution

The fourth proportional to 910,829.80, 1,366,244.70 and 808,478.20 is: 1,212,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,829.80 : 1,366,244.70 = 808,478.20 : x
  2. Step 2: Convert to fraction form
    910,829.80/1,366,244.70 = 808,478.20/x
  3. Step 3: Cross multiply
    910,829.80x = 1,366,244.70 × 808,478.20
  4. Step 4: Simplify right side
    910,829.80x = 1,104,579,055,815.54
  5. Step 5: Solve for x
    x = 1,104,579,055,815.54/910,829.80
  6. Step 6: Final answer
    x = 1,212,717.30

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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.