Home / 676,741.45-1,014,004.77-409,692.55

Finding the Fourth Proportional to 676,741.45, 1,014,004.77 and 409,692.55

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Solution

The fourth proportional to 676,741.45, 1,014,004.77 and 409,692.55 is: 613,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,741.45 : 1,014,004.77 = 409,692.55 : x
  2. Step 2: Convert to fraction form
    676,741.45/1,014,004.77 = 409,692.55/x
  3. Step 3: Cross multiply
    676,741.45x = 1,014,004.77 × 409,692.55
  4. Step 4: Simplify right side
    676,741.45x = 415,430,199,933.46
  5. Step 5: Solve for x
    x = 415,430,199,933.46/676,741.45
  6. Step 6: Final answer
    x = 613,868.41

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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.