Home / 668,852.55-1,002,664.58-289,534.41

Finding the Fourth Proportional to 668,852.55, 1,002,664.58 and 289,534.41

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Solution

The fourth proportional to 668,852.55, 1,002,664.58 and 289,534.41 is: 434,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,852.55 : 1,002,664.58 = 289,534.41 : x
  2. Step 2: Convert to fraction form
    668,852.55/1,002,664.58 = 289,534.41/x
  3. Step 3: Cross multiply
    668,852.55x = 1,002,664.58 × 289,534.41
  4. Step 4: Simplify right side
    668,852.55x = 290,305,896,150.53
  5. Step 5: Solve for x
    x = 290,305,896,150.53/668,852.55
  6. Step 6: Final answer
    x = 434,035.72

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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.