Home / 679,155.32-1,018,018.44-229,449.80

Finding the Fourth Proportional to 679,155.32, 1,018,018.44 and 229,449.80

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Solution

The fourth proportional to 679,155.32, 1,018,018.44 and 229,449.80 is: 343,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,155.32 : 1,018,018.44 = 229,449.80 : x
  2. Step 2: Convert to fraction form
    679,155.32/1,018,018.44 = 229,449.80/x
  3. Step 3: Cross multiply
    679,155.32x = 1,018,018.44 × 229,449.80
  4. Step 4: Simplify right side
    679,155.32x = 233,584,127,454.31
  5. Step 5: Solve for x
    x = 233,584,127,454.31/679,155.32
  6. Step 6: Final answer
    x = 343,933.30

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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.