Home / 666,421.08-999,188.73-367,042.65

Finding the Fourth Proportional to 666,421.08, 999,188.73 and 367,042.65

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Solution

The fourth proportional to 666,421.08, 999,188.73 and 367,042.65 is: 550,320.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,421.08 : 999,188.73 = 367,042.65 : x
  2. Step 2: Convert to fraction form
    666,421.08/999,188.73 = 367,042.65/x
  3. Step 3: Cross multiply
    666,421.08x = 999,188.73 × 367,042.65
  4. Step 4: Simplify right side
    666,421.08x = 366,744,879,309.34
  5. Step 5: Solve for x
    x = 366,744,879,309.34/666,421.08
  6. Step 6: Final answer
    x = 550,320.05

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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.