Home / 838,482.36-1,257,769.44-239,396.64

Finding the Fourth Proportional to 838,482.36, 1,257,769.44 and 239,396.64

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Solution

The fourth proportional to 838,482.36, 1,257,769.44 and 239,396.64 is: 359,108.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,482.36 : 1,257,769.44 = 239,396.64 : x
  2. Step 2: Convert to fraction form
    838,482.36/1,257,769.44 = 239,396.64/x
  3. Step 3: Cross multiply
    838,482.36x = 1,257,769.44 × 239,396.64
  4. Step 4: Simplify right side
    838,482.36x = 301,105,777,830.68
  5. Step 5: Solve for x
    x = 301,105,777,830.68/838,482.36
  6. Step 6: Final answer
    x = 359,108.06

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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.