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Finding the Fourth Proportional to 576,005.81, 794,888.52 and 321,357.07

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Solution

The fourth proportional to 576,005.81, 794,888.52 and 321,357.07 is: 443,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,005.81 : 794,888.52 = 321,357.07 : x
  2. Step 2: Convert to fraction form
    576,005.81/794,888.52 = 321,357.07/x
  3. Step 3: Cross multiply
    576,005.81x = 794,888.52 × 321,357.07
  4. Step 4: Simplify right side
    576,005.81x = 255,443,041,789.39
  5. Step 5: Solve for x
    x = 255,443,041,789.39/576,005.81
  6. Step 6: Final answer
    x = 443,473.03

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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.