Home / 749,090.46-1,123,512.67-322,511.43

Finding the Fourth Proportional to 749,090.46, 1,123,512.67 and 322,511.43

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Solution

The fourth proportional to 749,090.46, 1,123,512.67 and 322,511.43 is: 483,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,090.46 : 1,123,512.67 = 322,511.43 : x
  2. Step 2: Convert to fraction form
    749,090.46/1,123,512.67 = 322,511.43/x
  3. Step 3: Cross multiply
    749,090.46x = 1,123,512.67 × 322,511.43
  4. Step 4: Simplify right side
    749,090.46x = 362,345,670,594.70
  5. Step 5: Solve for x
    x = 362,345,670,594.70/749,090.46
  6. Step 6: Final answer
    x = 483,714.17

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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.