Home / 891,080.73-1,229,756.58-509,099.31

Finding the Fourth Proportional to 891,080.73, 1,229,756.58 and 509,099.31

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Solution

The fourth proportional to 891,080.73, 1,229,756.58 and 509,099.31 is: 702,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,080.73 : 1,229,756.58 = 509,099.31 : x
  2. Step 2: Convert to fraction form
    891,080.73/1,229,756.58 = 509,099.31/x
  3. Step 3: Cross multiply
    891,080.73x = 1,229,756.58 × 509,099.31
  4. Step 4: Simplify right side
    891,080.73x = 626,068,226,345.96
  5. Step 5: Solve for x
    x = 626,068,226,345.96/891,080.73
  6. Step 6: Final answer
    x = 702,594.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.