Home / 756,307.57-1,043,691.06-412,146.58

Finding the Fourth Proportional to 756,307.57, 1,043,691.06 and 412,146.58

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Solution

The fourth proportional to 756,307.57, 1,043,691.06 and 412,146.58 is: 568,754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,307.57 : 1,043,691.06 = 412,146.58 : x
  2. Step 2: Convert to fraction form
    756,307.57/1,043,691.06 = 412,146.58/x
  3. Step 3: Cross multiply
    756,307.57x = 1,043,691.06 × 412,146.58
  4. Step 4: Simplify right side
    756,307.57x = 430,153,700,955.58
  5. Step 5: Solve for x
    x = 430,153,700,955.58/756,307.57
  6. Step 6: Final answer
    x = 568,754.99

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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.