Home / 930,031.62-1,395,063.63-256,109.46

Finding the Fourth Proportional to 930,031.62, 1,395,063.63 and 256,109.46

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Solution

The fourth proportional to 930,031.62, 1,395,063.63 and 256,109.46 is: 384,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,031.62 : 1,395,063.63 = 256,109.46 : x
  2. Step 2: Convert to fraction form
    930,031.62/1,395,063.63 = 256,109.46/x
  3. Step 3: Cross multiply
    930,031.62x = 1,395,063.63 × 256,109.46
  4. Step 4: Simplify right side
    930,031.62x = 357,288,992,944.94
  5. Step 5: Solve for x
    x = 357,288,992,944.94/930,031.62
  6. Step 6: Final answer
    x = 384,168.65

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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.