Home / 968,312.88-1,336,239.72-538,580.88

Finding the Fourth Proportional to 968,312.88, 1,336,239.72 and 538,580.88

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Solution

The fourth proportional to 968,312.88, 1,336,239.72 and 538,580.88 is: 743,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,312.88 : 1,336,239.72 = 538,580.88 : x
  2. Step 2: Convert to fraction form
    968,312.88/1,336,239.72 = 538,580.88/x
  3. Step 3: Cross multiply
    968,312.88x = 1,336,239.72 × 538,580.88
  4. Step 4: Simplify right side
    968,312.88x = 719,673,164,288.55
  5. Step 5: Solve for x
    x = 719,673,164,288.55/968,312.88
  6. Step 6: Final answer
    x = 743,223.79

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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.