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Finding the Fourth Proportional to 530,281.41, 731,804.81 and 300,848.37

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Solution

The fourth proportional to 530,281.41, 731,804.81 and 300,848.37 is: 415,180.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,281.41 : 731,804.81 = 300,848.37 : x
  2. Step 2: Convert to fraction form
    530,281.41/731,804.81 = 300,848.37/x
  3. Step 3: Cross multiply
    530,281.41x = 731,804.81 × 300,848.37
  4. Step 4: Simplify right side
    530,281.41x = 220,162,284,246.66
  5. Step 5: Solve for x
    x = 220,162,284,246.66/530,281.41
  6. Step 6: Final answer
    x = 415,180.09

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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.