Home / 852,921.90-1,177,009.56-470,940.48

Finding the Fourth Proportional to 852,921.90, 1,177,009.56 and 470,940.48

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Solution

The fourth proportional to 852,921.90, 1,177,009.56 and 470,940.48 is: 649,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,921.90 : 1,177,009.56 = 470,940.48 : x
  2. Step 2: Convert to fraction form
    852,921.90/1,177,009.56 = 470,940.48/x
  3. Step 3: Cross multiply
    852,921.90x = 1,177,009.56 × 470,940.48
  4. Step 4: Simplify right side
    852,921.90x = 554,301,447,150.99
  5. Step 5: Solve for x
    x = 554,301,447,150.99/852,921.90
  6. Step 6: Final answer
    x = 649,885.35

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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.