Home / 977,983.20-1,467,412.20-347,349.60

Finding the Fourth Proportional to 977,983.20, 1,467,412.20 and 347,349.60

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Solution

The fourth proportional to 977,983.20, 1,467,412.20 and 347,349.60 is: 521,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,983.20 : 1,467,412.20 = 347,349.60 : x
  2. Step 2: Convert to fraction form
    977,983.20/1,467,412.20 = 347,349.60/x
  3. Step 3: Cross multiply
    977,983.20x = 1,467,412.20 × 347,349.60
  4. Step 4: Simplify right side
    977,983.20x = 509,705,040,705.12
  5. Step 5: Solve for x
    x = 509,705,040,705.12/977,983.20
  6. Step 6: Final answer
    x = 521,179.75

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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.