Home / 694,746.10-1,042,021.95-221,479.30

Finding the Fourth Proportional to 694,746.10, 1,042,021.95 and 221,479.30

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Solution

The fourth proportional to 694,746.10, 1,042,021.95 and 221,479.30 is: 332,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,746.10 : 1,042,021.95 = 221,479.30 : x
  2. Step 2: Convert to fraction form
    694,746.10/1,042,021.95 = 221,479.30/x
  3. Step 3: Cross multiply
    694,746.10x = 1,042,021.95 × 221,479.30
  4. Step 4: Simplify right side
    694,746.10x = 230,786,292,070.64
  5. Step 5: Solve for x
    x = 230,786,292,070.64/694,746.10
  6. Step 6: Final answer
    x = 332,187.96

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1.5x scale

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.