Home / 668,502.54-1,003,060.00-289,539.18

Finding the Fourth Proportional to 668,502.54, 1,003,060.00 and 289,539.18

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Solution

The fourth proportional to 668,502.54, 1,003,060.00 and 289,539.18 is: 434,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,502.54 : 1,003,060.00 = 289,539.18 : x
  2. Step 2: Convert to fraction form
    668,502.54/1,003,060.00 = 289,539.18/x
  3. Step 3: Cross multiply
    668,502.54x = 1,003,060.00 × 289,539.18
  4. Step 4: Simplify right side
    668,502.54x = 290,425,170,950.75
  5. Step 5: Solve for x
    x = 290,425,170,950.75/668,502.54
  6. Step 6: Final answer
    x = 434,441.39

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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.