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Finding the Fourth Proportional to 660,054, 989,922.42 and 304,726.64

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Solution

The fourth proportional to 660,054, 989,922.42 and 304,726.64 is: 457,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,054 : 989,922.42 = 304,726.64 : x
  2. Step 2: Convert to fraction form
    660,054/989,922.42 = 304,726.64/x
  3. Step 3: Cross multiply
    660,054x = 989,922.42 × 304,726.64
  4. Step 4: Simplify right side
    660,054x = 301,655,732,907.27
  5. Step 5: Solve for x
    x = 301,655,732,907.27/660,054
  6. Step 6: Final answer
    x = 457,016.75

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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.