Home / 739,126.64-1,019,628.04-477,391.96

Finding the Fourth Proportional to 739,126.64, 1,019,628.04 and 477,391.96

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Solution

The fourth proportional to 739,126.64, 1,019,628.04 and 477,391.96 is: 658,564.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,126.64 : 1,019,628.04 = 477,391.96 : x
  2. Step 2: Convert to fraction form
    739,126.64/1,019,628.04 = 477,391.96/x
  3. Step 3: Cross multiply
    739,126.64x = 1,019,628.04 × 477,391.96
  4. Step 4: Simplify right side
    739,126.64x = 486,762,228,486.56
  5. Step 5: Solve for x
    x = 486,762,228,486.56/739,126.64
  6. Step 6: Final answer
    x = 658,564.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.