Home / 852,930.90-1,177,021.98-470,949.48

Finding the Fourth Proportional to 852,930.90, 1,177,021.98 and 470,949.48

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Solution

The fourth proportional to 852,930.90, 1,177,021.98 and 470,949.48 is: 649,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,930.90 : 1,177,021.98 = 470,949.48 : x
  2. Step 2: Convert to fraction form
    852,930.90/1,177,021.98 = 470,949.48/x
  3. Step 3: Cross multiply
    852,930.90x = 1,177,021.98 × 470,949.48
  4. Step 4: Simplify right side
    852,930.90x = 554,317,889,429.57
  5. Step 5: Solve for x
    x = 554,317,889,429.57/852,930.90
  6. Step 6: Final answer
    x = 649,897.77

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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.