Home / 940,676.88-1,298,143.68-510,965.40

Finding the Fourth Proportional to 940,676.88, 1,298,143.68 and 510,965.40

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Solution

The fourth proportional to 940,676.88, 1,298,143.68 and 510,965.40 is: 705,137.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,676.88 : 1,298,143.68 = 510,965.40 : x
  2. Step 2: Convert to fraction form
    940,676.88/1,298,143.68 = 510,965.40/x
  3. Step 3: Cross multiply
    940,676.88x = 1,298,143.68 × 510,965.40
  4. Step 4: Simplify right side
    940,676.88x = 663,306,504,708.67
  5. Step 5: Solve for x
    x = 663,306,504,708.67/940,676.88
  6. Step 6: Final answer
    x = 705,137.46

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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.