Home / 942,847.38-1,412,620.83-642,352.50

Finding the Fourth Proportional to 942,847.38, 1,412,620.83 and 642,352.50

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Solution

The fourth proportional to 942,847.38, 1,412,620.83 and 642,352.50 is: 962,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,847.38 : 1,412,620.83 = 642,352.50 : x
  2. Step 2: Convert to fraction form
    942,847.38/1,412,620.83 = 642,352.50/x
  3. Step 3: Cross multiply
    942,847.38x = 1,412,620.83 × 642,352.50
  4. Step 4: Simplify right side
    942,847.38x = 907,400,521,702.58
  5. Step 5: Solve for x
    x = 907,400,521,702.58/942,847.38
  6. Step 6: Final answer
    x = 962,404.46

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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.