Home / 790,757.48-1,091,221.99-446,607.51

Finding the Fourth Proportional to 790,757.48, 1,091,221.99 and 446,607.51

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Solution

The fourth proportional to 790,757.48, 1,091,221.99 and 446,607.51 is: 616,305.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,757.48 : 1,091,221.99 = 446,607.51 : x
  2. Step 2: Convert to fraction form
    790,757.48/1,091,221.99 = 446,607.51/x
  3. Step 3: Cross multiply
    790,757.48x = 1,091,221.99 × 446,607.51
  4. Step 4: Simplify right side
    790,757.48x = 487,347,934,694.63
  5. Step 5: Solve for x
    x = 487,347,934,694.63/790,757.48
  6. Step 6: Final answer
    x = 616,305.19

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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.