Home / 651,026.40-976,685.40-251,631.60

Finding the Fourth Proportional to 651,026.40, 976,685.40 and 251,631.60

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Solution

The fourth proportional to 651,026.40, 976,685.40 and 251,631.60 is: 377,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,026.40 : 976,685.40 = 251,631.60 : x
  2. Step 2: Convert to fraction form
    651,026.40/976,685.40 = 251,631.60/x
  3. Step 3: Cross multiply
    651,026.40x = 976,685.40 × 251,631.60
  4. Step 4: Simplify right side
    651,026.40x = 245,764,909,898.64
  5. Step 5: Solve for x
    x = 245,764,909,898.64/651,026.40
  6. Step 6: Final answer
    x = 377,503.75

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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.