Home / 751,826.58-1,127,947.95-347,142.60

Finding the Fourth Proportional to 751,826.58, 1,127,947.95 and 347,142.60

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Solution

The fourth proportional to 751,826.58, 1,127,947.95 and 347,142.60 is: 520,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,826.58 : 1,127,947.95 = 347,142.60 : x
  2. Step 2: Convert to fraction form
    751,826.58/1,127,947.95 = 347,142.60/x
  3. Step 3: Cross multiply
    751,826.58x = 1,127,947.95 × 347,142.60
  4. Step 4: Simplify right side
    751,826.58x = 391,558,784,027.67
  5. Step 5: Solve for x
    x = 391,558,784,027.67/751,826.58
  6. Step 6: Final answer
    x = 520,809.98

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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.