Home / 942,690.84-1,300,913.67-512,961.73

Finding the Fourth Proportional to 942,690.84, 1,300,913.67 and 512,961.73

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Solution

The fourth proportional to 942,690.84, 1,300,913.67 and 512,961.73 is: 707,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,690.84 : 1,300,913.67 = 512,961.73 : x
  2. Step 2: Convert to fraction form
    942,690.84/1,300,913.67 = 512,961.73/x
  3. Step 3: Cross multiply
    942,690.84x = 1,300,913.67 × 512,961.73
  4. Step 4: Simplify right side
    942,690.84x = 667,318,926,743.85
  5. Step 5: Solve for x
    x = 667,318,926,743.85/942,690.84
  6. Step 6: Final answer
    x = 707,887.36

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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.