Home / 649,490.79-974,121.37-176,213.06

Finding the Fourth Proportional to 649,490.79, 974,121.37 and 176,213.06

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Solution

The fourth proportional to 649,490.79, 974,121.37 and 176,213.06 is: 264,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,490.79 : 974,121.37 = 176,213.06 : x
  2. Step 2: Convert to fraction form
    649,490.79/974,121.37 = 176,213.06/x
  3. Step 3: Cross multiply
    649,490.79x = 974,121.37 × 176,213.06
  4. Step 4: Simplify right side
    649,490.79x = 171,652,907,419.09
  5. Step 5: Solve for x
    x = 171,652,907,419.09/649,490.79
  6. Step 6: Final answer
    x = 264,288.44

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1.5x scale

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.