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Finding the Fourth Proportional to 566,408.64, 850,138.08 and 286,122.72

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Solution

The fourth proportional to 566,408.64, 850,138.08 and 286,122.72 is: 429,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,408.64 : 850,138.08 = 286,122.72 : x
  2. Step 2: Convert to fraction form
    566,408.64/850,138.08 = 286,122.72/x
  3. Step 3: Cross multiply
    566,408.64x = 850,138.08 × 286,122.72
  4. Step 4: Simplify right side
    566,408.64x = 243,243,819,825.18
  5. Step 5: Solve for x
    x = 243,243,819,825.18/566,408.64
  6. Step 6: Final answer
    x = 429,449.35

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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.