Home / 898,956.36-1,240,564.06-491,063.86

Finding the Fourth Proportional to 898,956.36, 1,240,564.06 and 491,063.86

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Solution

The fourth proportional to 898,956.36, 1,240,564.06 and 491,063.86 is: 677,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,956.36 : 1,240,564.06 = 491,063.86 : x
  2. Step 2: Convert to fraction form
    898,956.36/1,240,564.06 = 491,063.86/x
  3. Step 3: Cross multiply
    898,956.36x = 1,240,564.06 × 491,063.86
  4. Step 4: Simplify right side
    898,956.36x = 609,196,175,880.87
  5. Step 5: Solve for x
    x = 609,196,175,880.87/898,956.36
  6. Step 6: Final answer
    x = 677,670.47

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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.