Home / 668,814.04-1,003,010.18-219,430.18

Finding the Fourth Proportional to 668,814.04, 1,003,010.18 and 219,430.18

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Solution

The fourth proportional to 668,814.04, 1,003,010.18 and 219,430.18 is: 329,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,814.04 : 1,003,010.18 = 219,430.18 : x
  2. Step 2: Convert to fraction form
    668,814.04/1,003,010.18 = 219,430.18/x
  3. Step 3: Cross multiply
    668,814.04x = 1,003,010.18 × 219,430.18
  4. Step 4: Simplify right side
    668,814.04x = 220,090,704,339.23
  5. Step 5: Solve for x
    x = 220,090,704,339.23/668,814.04
  6. Step 6: Final answer
    x = 329,076.08

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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.