Home / 803,634.96-1,109,012.80-441,064.76

Finding the Fourth Proportional to 803,634.96, 1,109,012.80 and 441,064.76

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Solution

The fourth proportional to 803,634.96, 1,109,012.80 and 441,064.76 is: 608,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,634.96 : 1,109,012.80 = 441,064.76 : x
  2. Step 2: Convert to fraction form
    803,634.96/1,109,012.80 = 441,064.76/x
  3. Step 3: Cross multiply
    803,634.96x = 1,109,012.80 × 441,064.76
  4. Step 4: Simplify right side
    803,634.96x = 489,146,464,468.93
  5. Step 5: Solve for x
    x = 489,146,464,468.93/803,634.96
  6. Step 6: Final answer
    x = 608,667.48

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Double scale
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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.