Home / 694,746.40-1,042,119.60-221,479.60

Finding the Fourth Proportional to 694,746.40, 1,042,119.60 and 221,479.60

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Solution

The fourth proportional to 694,746.40, 1,042,119.60 and 221,479.60 is: 332,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,746.40 : 1,042,119.60 = 221,479.60 : x
  2. Step 2: Convert to fraction form
    694,746.40/1,042,119.60 = 221,479.60/x
  3. Step 3: Cross multiply
    694,746.40x = 1,042,119.60 × 221,479.60
  4. Step 4: Simplify right side
    694,746.40x = 230,808,232,160.16
  5. Step 5: Solve for x
    x = 230,808,232,160.16/694,746.40
  6. Step 6: Final answer
    x = 332,219.40

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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.