Home / 755,880.89-1,043,117.07-411,715.76

Finding the Fourth Proportional to 755,880.89, 1,043,117.07 and 411,715.76

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Solution

The fourth proportional to 755,880.89, 1,043,117.07 and 411,715.76 is: 568,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,880.89 : 1,043,117.07 = 411,715.76 : x
  2. Step 2: Convert to fraction form
    755,880.89/1,043,117.07 = 411,715.76/x
  3. Step 3: Cross multiply
    755,880.89x = 1,043,117.07 × 411,715.76
  4. Step 4: Simplify right side
    755,880.89x = 429,467,732,028.44
  5. Step 5: Solve for x
    x = 429,467,732,028.44/755,880.89
  6. Step 6: Final answer
    x = 568,168.53

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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.