Home / 771,949.68-1,157,957-210,982.64

Finding the Fourth Proportional to 771,949.68, 1,157,957 and 210,982.64

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Solution

The fourth proportional to 771,949.68, 1,157,957 and 210,982.64 is: 316,482.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,949.68 : 1,157,957 = 210,982.64 : x
  2. Step 2: Convert to fraction form
    771,949.68/1,157,957 = 210,982.64/x
  3. Step 3: Cross multiply
    771,949.68x = 1,157,957 × 210,982.64
  4. Step 4: Simplify right side
    771,949.68x = 244,308,824,866.48
  5. Step 5: Solve for x
    x = 244,308,824,866.48/771,949.68
  6. Step 6: Final answer
    x = 316,482.84

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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.