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Finding the Fourth Proportional to 434,548.30, 651,433.65 and 284,860.30

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Solution

The fourth proportional to 434,548.30, 651,433.65 and 284,860.30 is: 427,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,548.30 : 651,433.65 = 284,860.30 : x
  2. Step 2: Convert to fraction form
    434,548.30/651,433.65 = 284,860.30/x
  3. Step 3: Cross multiply
    434,548.30x = 651,433.65 × 284,860.30
  4. Step 4: Simplify right side
    434,548.30x = 185,567,584,969.10
  5. Step 5: Solve for x
    x = 185,567,584,969.10/434,548.30
  6. Step 6: Final answer
    x = 427,035.58

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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.