Home / 345,949.20-520,090.20-294,627.60

Finding the Fourth Proportional to 345,949.20, 520,090.20 and 294,627.60

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Solution

The fourth proportional to 345,949.20, 520,090.20 and 294,627.60 is: 442,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,949.20 : 520,090.20 = 294,627.60 : x
  2. Step 2: Convert to fraction form
    345,949.20/520,090.20 = 294,627.60/x
  3. Step 3: Cross multiply
    345,949.20x = 520,090.20 × 294,627.60
  4. Step 4: Simplify right side
    345,949.20x = 153,232,927,409.52
  5. Step 5: Solve for x
    x = 153,232,927,409.52/345,949.20
  6. Step 6: Final answer
    x = 442,934.76

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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.