Home / 739,333.95-1,108,524.01-290,100.21

Finding the Fourth Proportional to 739,333.95, 1,108,524.01 and 290,100.21

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Solution

The fourth proportional to 739,333.95, 1,108,524.01 and 290,100.21 is: 434,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,333.95 : 1,108,524.01 = 290,100.21 : x
  2. Step 2: Convert to fraction form
    739,333.95/1,108,524.01 = 290,100.21/x
  3. Step 3: Cross multiply
    739,333.95x = 1,108,524.01 × 290,100.21
  4. Step 4: Simplify right side
    739,333.95x = 321,583,048,091.04
  5. Step 5: Solve for x
    x = 321,583,048,091.04/739,333.95
  6. Step 6: Final answer
    x = 434,963.18

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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.