Home / 309,826.80-464,740.20-276,001.20

Finding the Fourth Proportional to 309,826.80, 464,740.20 and 276,001.20

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Solution

The fourth proportional to 309,826.80, 464,740.20 and 276,001.20 is: 414,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,826.80 : 464,740.20 = 276,001.20 : x
  2. Step 2: Convert to fraction form
    309,826.80/464,740.20 = 276,001.20/x
  3. Step 3: Cross multiply
    309,826.80x = 464,740.20 × 276,001.20
  4. Step 4: Simplify right side
    309,826.80x = 128,268,852,888.24
  5. Step 5: Solve for x
    x = 128,268,852,888.24/309,826.80
  6. Step 6: Final answer
    x = 414,001.80

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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.