Home / 688,852.44-950,627.70-378,768.04

Finding the Fourth Proportional to 688,852.44, 950,627.70 and 378,768.04

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Solution

The fourth proportional to 688,852.44, 950,627.70 and 378,768.04 is: 522,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,852.44 : 950,627.70 = 378,768.04 : x
  2. Step 2: Convert to fraction form
    688,852.44/950,627.70 = 378,768.04/x
  3. Step 3: Cross multiply
    688,852.44x = 950,627.70 × 378,768.04
  4. Step 4: Simplify right side
    688,852.44x = 360,067,390,698.71
  5. Step 5: Solve for x
    x = 360,067,390,698.71/688,852.44
  6. Step 6: Final answer
    x = 522,706.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.