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Finding the Fourth Proportional to 658,051.70, 987,466.35 and 480,110.90

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Solution

The fourth proportional to 658,051.70, 987,466.35 and 480,110.90 is: 720,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,051.70 : 987,466.35 = 480,110.90 : x
  2. Step 2: Convert to fraction form
    658,051.70/987,466.35 = 480,110.90/x
  3. Step 3: Cross multiply
    658,051.70x = 987,466.35 × 480,110.90
  4. Step 4: Simplify right side
    658,051.70x = 474,093,358,018.22
  5. Step 5: Solve for x
    x = 474,093,358,018.22/658,051.70
  6. Step 6: Final answer
    x = 720,450.02

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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.