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Finding the Fourth Proportional to 647,012.48, 892,880.77 and 375,241.51

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Solution

The fourth proportional to 647,012.48, 892,880.77 and 375,241.51 is: 517,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,012.48 : 892,880.77 = 375,241.51 : x
  2. Step 2: Convert to fraction form
    647,012.48/892,880.77 = 375,241.51/x
  3. Step 3: Cross multiply
    647,012.48x = 892,880.77 × 375,241.51
  4. Step 4: Simplify right side
    647,012.48x = 335,045,929,266.34
  5. Step 5: Solve for x
    x = 335,045,929,266.34/647,012.48
  6. Step 6: Final answer
    x = 517,835.34

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1.5x scale

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.