Home / 852,630.34-1,176,630.09-470,657.38

Finding the Fourth Proportional to 852,630.34, 1,176,630.09 and 470,657.38

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Solution

The fourth proportional to 852,630.34, 1,176,630.09 and 470,657.38 is: 649,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,630.34 : 1,176,630.09 = 470,657.38 : x
  2. Step 2: Convert to fraction form
    852,630.34/1,176,630.09 = 470,657.38/x
  3. Step 3: Cross multiply
    852,630.34x = 1,176,630.09 × 470,657.38
  4. Step 4: Simplify right side
    852,630.34x = 553,789,635,388.56
  5. Step 5: Solve for x
    x = 553,789,635,388.56/852,630.34
  6. Step 6: Final answer
    x = 649,507.31

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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.