Home / 980,608.87-1,470,070.76-340,829.49

Finding the Fourth Proportional to 980,608.87, 1,470,070.76 and 340,829.49

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Solution

The fourth proportional to 980,608.87, 1,470,070.76 and 340,829.49 is: 510,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,608.87 : 1,470,070.76 = 340,829.49 : x
  2. Step 2: Convert to fraction form
    980,608.87/1,470,070.76 = 340,829.49/x
  3. Step 3: Cross multiply
    980,608.87x = 1,470,070.76 × 340,829.49
  4. Step 4: Simplify right side
    980,608.87x = 501,043,467,394.71
  5. Step 5: Solve for x
    x = 501,043,467,394.71/980,608.87
  6. Step 6: Final answer
    x = 510,951.39

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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.