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Finding the Fourth Proportional to 620,339.16, 930,595.86 and 304,808.52

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Solution

The fourth proportional to 620,339.16, 930,595.86 and 304,808.52 is: 457,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,339.16 : 930,595.86 = 304,808.52 : x
  2. Step 2: Convert to fraction form
    620,339.16/930,595.86 = 304,808.52/x
  3. Step 3: Cross multiply
    620,339.16x = 930,595.86 × 304,808.52
  4. Step 4: Simplify right side
    620,339.16x = 283,653,546,804.73
  5. Step 5: Solve for x
    x = 283,653,546,804.73/620,339.16
  6. Step 6: Final answer
    x = 457,255.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.