Home / 751,615.07-1,037,271.22-445,872.47

Finding the Fourth Proportional to 751,615.07, 1,037,271.22 and 445,872.47

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Solution

The fourth proportional to 751,615.07, 1,037,271.22 and 445,872.47 is: 615,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,615.07 : 1,037,271.22 = 445,872.47 : x
  2. Step 2: Convert to fraction form
    751,615.07/1,037,271.22 = 445,872.47/x
  3. Step 3: Cross multiply
    751,615.07x = 1,037,271.22 × 445,872.47
  4. Step 4: Simplify right side
    751,615.07x = 462,490,674,620.28
  5. Step 5: Solve for x
    x = 462,490,674,620.28/751,615.07
  6. Step 6: Final answer
    x = 615,329.17

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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.