Home / 982,820.37-1,474,159.46-309,094.40

Finding the Fourth Proportional to 982,820.37, 1,474,159.46 and 309,094.40

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Solution

The fourth proportional to 982,820.37, 1,474,159.46 and 309,094.40 is: 463,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,820.37 : 1,474,159.46 = 309,094.40 : x
  2. Step 2: Convert to fraction form
    982,820.37/1,474,159.46 = 309,094.40/x
  3. Step 3: Cross multiply
    982,820.37x = 1,474,159.46 × 309,094.40
  4. Step 4: Simplify right side
    982,820.37x = 455,654,424,876.76
  5. Step 5: Solve for x
    x = 455,654,424,876.76/982,820.37
  6. Step 6: Final answer
    x = 463,619.23

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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.