Home / 679,259.23-1,018,826.37-229,928.74

Finding the Fourth Proportional to 679,259.23, 1,018,826.37 and 229,928.74

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Solution

The fourth proportional to 679,259.23, 1,018,826.37 and 229,928.74 is: 344,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,259.23 : 1,018,826.37 = 229,928.74 : x
  2. Step 2: Convert to fraction form
    679,259.23/1,018,826.37 = 229,928.74/x
  3. Step 3: Cross multiply
    679,259.23x = 1,018,826.37 × 229,928.74
  4. Step 4: Simplify right side
    679,259.23x = 234,257,463,532.87
  5. Step 5: Solve for x
    x = 234,257,463,532.87/679,259.23
  6. Step 6: Final answer
    x = 344,871.96

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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.