Home / 898,143.75-1,346,935.32-298,964.88

Finding the Fourth Proportional to 898,143.75, 1,346,935.32 and 298,964.88

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Solution

The fourth proportional to 898,143.75, 1,346,935.32 and 298,964.88 is: 448,354.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,143.75 : 1,346,935.32 = 298,964.88 : x
  2. Step 2: Convert to fraction form
    898,143.75/1,346,935.32 = 298,964.88/x
  3. Step 3: Cross multiply
    898,143.75x = 1,346,935.32 × 298,964.88
  4. Step 4: Simplify right side
    898,143.75x = 402,686,356,311.56
  5. Step 5: Solve for x
    x = 402,686,356,311.56/898,143.75
  6. Step 6: Final answer
    x = 448,354.01

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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.