Home / 434,090.40-651,135.60-284,791.20

Finding the Fourth Proportional to 434,090.40, 651,135.60 and 284,791.20

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Solution

The fourth proportional to 434,090.40, 651,135.60 and 284,791.20 is: 427,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,090.40 : 651,135.60 = 284,791.20 : x
  2. Step 2: Convert to fraction form
    434,090.40/651,135.60 = 284,791.20/x
  3. Step 3: Cross multiply
    434,090.40x = 651,135.60 × 284,791.20
  4. Step 4: Simplify right side
    434,090.40x = 185,437,688,886.72
  5. Step 5: Solve for x
    x = 185,437,688,886.72/434,090.40
  6. Step 6: Final answer
    x = 427,186.80

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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.