Home / 756,175.61-1,043,045.60-450,023.40

Finding the Fourth Proportional to 756,175.61, 1,043,045.60 and 450,023.40

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Solution

The fourth proportional to 756,175.61, 1,043,045.60 and 450,023.40 is: 620,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,175.61 : 1,043,045.60 = 450,023.40 : x
  2. Step 2: Convert to fraction form
    756,175.61/1,043,045.60 = 450,023.40/x
  3. Step 3: Cross multiply
    756,175.61x = 1,043,045.60 × 450,023.40
  4. Step 4: Simplify right side
    756,175.61x = 469,394,925,016.92
  5. Step 5: Solve for x
    x = 469,394,925,016.92/756,175.61
  6. Step 6: Final answer
    x = 620,748.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.