Home / 767,280.12-1,151,315.70-341,109.96

Finding the Fourth Proportional to 767,280.12, 1,151,315.70 and 341,109.96

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Solution

The fourth proportional to 767,280.12, 1,151,315.70 and 341,109.96 is: 511,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,280.12 : 1,151,315.70 = 341,109.96 : x
  2. Step 2: Convert to fraction form
    767,280.12/1,151,315.70 = 341,109.96/x
  3. Step 3: Cross multiply
    767,280.12x = 1,151,315.70 × 341,109.96
  4. Step 4: Simplify right side
    767,280.12x = 392,725,252,374.37
  5. Step 5: Solve for x
    x = 392,725,252,374.37/767,280.12
  6. Step 6: Final answer
    x = 511,840.78

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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.