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Finding the Fourth Proportional to 540,590.21, 746,030.07 and 298,888.39

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Solution

The fourth proportional to 540,590.21, 746,030.07 and 298,888.39 is: 412,474.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,590.21 : 746,030.07 = 298,888.39 : x
  2. Step 2: Convert to fraction form
    540,590.21/746,030.07 = 298,888.39/x
  3. Step 3: Cross multiply
    540,590.21x = 746,030.07 × 298,888.39
  4. Step 4: Simplify right side
    540,590.21x = 222,979,725,019.45
  5. Step 5: Solve for x
    x = 222,979,725,019.45/540,590.21
  6. Step 6: Final answer
    x = 412,474.59

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Double scale
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Similar ratio
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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.