Home / 803,054.22-1,108,195.76-440,474.88

Finding the Fourth Proportional to 803,054.22, 1,108,195.76 and 440,474.88

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Solution

The fourth proportional to 803,054.22, 1,108,195.76 and 440,474.88 is: 607,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,054.22 : 1,108,195.76 = 440,474.88 : x
  2. Step 2: Convert to fraction form
    803,054.22/1,108,195.76 = 440,474.88/x
  3. Step 3: Cross multiply
    803,054.22x = 1,108,195.76 × 440,474.88
  4. Step 4: Simplify right side
    803,054.22x = 488,132,394,402.51
  5. Step 5: Solve for x
    x = 488,132,394,402.51/803,054.22
  6. Step 6: Final answer
    x = 607,844.88

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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.