Home / 560,889.20-774,026.78-306,240.36

Finding the Fourth Proportional to 560,889.20, 774,026.78 and 306,240.36

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Solution

The fourth proportional to 560,889.20, 774,026.78 and 306,240.36 is: 422,611.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,889.20 : 774,026.78 = 306,240.36 : x
  2. Step 2: Convert to fraction form
    560,889.20/774,026.78 = 306,240.36/x
  3. Step 3: Cross multiply
    560,889.20x = 774,026.78 × 306,240.36
  4. Step 4: Simplify right side
    560,889.20x = 237,038,238,225.64
  5. Step 5: Solve for x
    x = 237,038,238,225.64/560,889.20
  6. Step 6: Final answer
    x = 422,611.53

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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.