Home / 739,593.60-1,108,612.80-290,140.80

Finding the Fourth Proportional to 739,593.60, 1,108,612.80 and 290,140.80

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Solution

The fourth proportional to 739,593.60, 1,108,612.80 and 290,140.80 is: 434,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,593.60 : 1,108,612.80 = 290,140.80 : x
  2. Step 2: Convert to fraction form
    739,593.60/1,108,612.80 = 290,140.80/x
  3. Step 3: Cross multiply
    739,593.60x = 1,108,612.80 × 290,140.80
  4. Step 4: Simplify right side
    739,593.60x = 321,653,804,682.24
  5. Step 5: Solve for x
    x = 321,653,804,682.24/739,593.60
  6. Step 6: Final answer
    x = 434,906.15

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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.