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Finding the Fourth Proportional to 610,307.60, 842,274.36 and 338,460.88

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Solution

The fourth proportional to 610,307.60, 842,274.36 and 338,460.88 is: 467,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,307.60 : 842,274.36 = 338,460.88 : x
  2. Step 2: Convert to fraction form
    610,307.60/842,274.36 = 338,460.88/x
  3. Step 3: Cross multiply
    610,307.60x = 842,274.36 × 338,460.88
  4. Step 4: Simplify right side
    610,307.60x = 285,076,921,087.04
  5. Step 5: Solve for x
    x = 285,076,921,087.04/610,307.60
  6. Step 6: Final answer
    x = 467,103.67

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1.5x scale

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.