Home / 670,015.20-1,003,273.20-432,069.60

Finding the Fourth Proportional to 670,015.20, 1,003,273.20 and 432,069.60

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Solution

The fourth proportional to 670,015.20, 1,003,273.20 and 432,069.60 is: 646,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,015.20 : 1,003,273.20 = 432,069.60 : x
  2. Step 2: Convert to fraction form
    670,015.20/1,003,273.20 = 432,069.60/x
  3. Step 3: Cross multiply
    670,015.20x = 1,003,273.20 × 432,069.60
  4. Step 4: Simplify right side
    670,015.20x = 433,483,850,214.72
  5. Step 5: Solve for x
    x = 433,483,850,214.72/670,015.20
  6. Step 6: Final answer
    x = 646,976.14

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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.