Home / 942,689.84-1,300,912.29-512,960.73

Finding the Fourth Proportional to 942,689.84, 1,300,912.29 and 512,960.73

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Solution

The fourth proportional to 942,689.84, 1,300,912.29 and 512,960.73 is: 707,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,689.84 : 1,300,912.29 = 512,960.73 : x
  2. Step 2: Convert to fraction form
    942,689.84/1,300,912.29 = 512,960.73/x
  3. Step 3: Cross multiply
    942,689.84x = 1,300,912.29 × 512,960.73
  4. Step 4: Simplify right side
    942,689.84x = 667,316,917,944.37
  5. Step 5: Solve for x
    x = 667,316,917,944.37/942,689.84
  6. Step 6: Final answer
    x = 707,885.98

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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.