Home / 947,782.76-1,421,923.06-340,632.34

Finding the Fourth Proportional to 947,782.76, 1,421,923.06 and 340,632.34

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Solution

The fourth proportional to 947,782.76, 1,421,923.06 and 340,632.34 is: 511,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,782.76 : 1,421,923.06 = 340,632.34 : x
  2. Step 2: Convert to fraction form
    947,782.76/1,421,923.06 = 340,632.34/x
  3. Step 3: Cross multiply
    947,782.76x = 1,421,923.06 × 340,632.34
  4. Step 4: Simplify right side
    947,782.76x = 484,352,979,227.76
  5. Step 5: Solve for x
    x = 484,352,979,227.76/947,782.76
  6. Step 6: Final answer
    x = 511,037.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.