Home / 771,619.20-1,157,611.14-322,090.26

Finding the Fourth Proportional to 771,619.20, 1,157,611.14 and 322,090.26

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Solution

The fourth proportional to 771,619.20, 1,157,611.14 and 322,090.26 is: 483,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,619.20 : 1,157,611.14 = 322,090.26 : x
  2. Step 2: Convert to fraction form
    771,619.20/1,157,611.14 = 322,090.26/x
  3. Step 3: Cross multiply
    771,619.20x = 1,157,611.14 × 322,090.26
  4. Step 4: Simplify right side
    771,619.20x = 372,855,273,061.50
  5. Step 5: Solve for x
    x = 372,855,273,061.50/771,619.20
  6. Step 6: Final answer
    x = 483,211.50

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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.