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Finding the Fourth Proportional to 668,354.58, 1,002,590.80 and 188,586.58

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Solution

The fourth proportional to 668,354.58, 1,002,590.80 and 188,586.58 is: 282,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,354.58 : 1,002,590.80 = 188,586.58 : x
  2. Step 2: Convert to fraction form
    668,354.58/1,002,590.80 = 188,586.58/x
  3. Step 3: Cross multiply
    668,354.58x = 1,002,590.80 × 188,586.58
  4. Step 4: Simplify right side
    668,354.58x = 189,075,170,111.46
  5. Step 5: Solve for x
    x = 189,075,170,111.46/668,354.58
  6. Step 6: Final answer
    x = 282,896.50

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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.