Home / 767,911.99-1,059,929.31-445,725.88

Finding the Fourth Proportional to 767,911.99, 1,059,929.31 and 445,725.88

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Solution

The fourth proportional to 767,911.99, 1,059,929.31 and 445,725.88 is: 615,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,911.99 : 1,059,929.31 = 445,725.88 : x
  2. Step 2: Convert to fraction form
    767,911.99/1,059,929.31 = 445,725.88/x
  3. Step 3: Cross multiply
    767,911.99x = 1,059,929.31 × 445,725.88
  4. Step 4: Simplify right side
    767,911.99x = 472,437,927,087.37
  5. Step 5: Solve for x
    x = 472,437,927,087.37/767,911.99
  6. Step 6: Final answer
    x = 615,224.06

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1.5x scale

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.