Home / 898,185.78-1,346,987.07-298,986.05

Finding the Fourth Proportional to 898,185.78, 1,346,987.07 and 298,986.05

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Solution

The fourth proportional to 898,185.78, 1,346,987.07 and 298,986.05 is: 448,382.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,185.78 : 1,346,987.07 = 298,986.05 : x
  2. Step 2: Convert to fraction form
    898,185.78/1,346,987.07 = 298,986.05/x
  3. Step 3: Cross multiply
    898,185.78x = 1,346,987.07 × 298,986.05
  4. Step 4: Simplify right side
    898,185.78x = 402,730,346,827.84
  5. Step 5: Solve for x
    x = 402,730,346,827.84/898,185.78
  6. Step 6: Final answer
    x = 448,382.01

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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.