Home / 780,903.98-1,171,397.02-219,982.22

Finding the Fourth Proportional to 780,903.98, 1,171,397.02 and 219,982.22

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Solution

The fourth proportional to 780,903.98, 1,171,397.02 and 219,982.22 is: 329,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,903.98 : 1,171,397.02 = 219,982.22 : x
  2. Step 2: Convert to fraction form
    780,903.98/1,171,397.02 = 219,982.22/x
  3. Step 3: Cross multiply
    780,903.98x = 1,171,397.02 × 219,982.22
  4. Step 4: Simplify right side
    780,903.98x = 257,686,516,960.98
  5. Step 5: Solve for x
    x = 257,686,516,960.98/780,903.98
  6. Step 6: Final answer
    x = 329,984.89

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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.