Home / 790,712.85-1,091,160.40-446,562.89

Finding the Fourth Proportional to 790,712.85, 1,091,160.40 and 446,562.89

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Solution

The fourth proportional to 790,712.85, 1,091,160.40 and 446,562.89 is: 616,243.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,712.85 : 1,091,160.40 = 446,562.89 : x
  2. Step 2: Convert to fraction form
    790,712.85/1,091,160.40 = 446,562.89/x
  3. Step 3: Cross multiply
    790,712.85x = 1,091,160.40 × 446,562.89
  4. Step 4: Simplify right side
    790,712.85x = 487,271,741,677.56
  5. Step 5: Solve for x
    x = 487,271,741,677.56/790,712.85
  6. Step 6: Final answer
    x = 616,243.61

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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.