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Finding the Fourth Proportional to 560,927.49, 774,076.86 and 306,276.85

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Solution

The fourth proportional to 560,927.49, 774,076.86 and 306,276.85 is: 422,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,927.49 : 774,076.86 = 306,276.85 : x
  2. Step 2: Convert to fraction form
    560,927.49/774,076.86 = 306,276.85/x
  3. Step 3: Cross multiply
    560,927.49x = 774,076.86 × 306,276.85
  4. Step 4: Simplify right side
    560,927.49x = 237,081,822,338.69
  5. Step 5: Solve for x
    x = 237,081,822,338.69/560,927.49
  6. Step 6: Final answer
    x = 422,660.37

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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.