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Finding the Fourth Proportional to 606,461.37, 909,692.07 and 340,408.77

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Solution

The fourth proportional to 606,461.37, 909,692.07 and 340,408.77 is: 510,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,461.37 : 909,692.07 = 340,408.77 : x
  2. Step 2: Convert to fraction form
    606,461.37/909,692.07 = 340,408.77/x
  3. Step 3: Cross multiply
    606,461.37x = 909,692.07 × 340,408.77
  4. Step 4: Simplify right side
    606,461.37x = 309,667,158,627.45
  5. Step 5: Solve for x
    x = 309,667,158,627.45/606,461.37
  6. Step 6: Final answer
    x = 510,613.16

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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.