Home / 767,154.78-1,150,944.80-334,909.35

Finding the Fourth Proportional to 767,154.78, 1,150,944.80 and 334,909.35

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Solution

The fourth proportional to 767,154.78, 1,150,944.80 and 334,909.35 is: 502,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,154.78 : 1,150,944.80 = 334,909.35 : x
  2. Step 2: Convert to fraction form
    767,154.78/1,150,944.80 = 334,909.35/x
  3. Step 3: Cross multiply
    767,154.78x = 1,150,944.80 × 334,909.35
  4. Step 4: Simplify right side
    767,154.78x = 385,462,173,179.33
  5. Step 5: Solve for x
    x = 385,462,173,179.33/767,154.78
  6. Step 6: Final answer
    x = 502,456.85

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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.