Home / 724,929.60-1,085,320.80-444,993.60

Finding the Fourth Proportional to 724,929.60, 1,085,320.80 and 444,993.60

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Solution

The fourth proportional to 724,929.60, 1,085,320.80 and 444,993.60 is: 666,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,929.60 : 1,085,320.80 = 444,993.60 : x
  2. Step 2: Convert to fraction form
    724,929.60/1,085,320.80 = 444,993.60/x
  3. Step 3: Cross multiply
    724,929.60x = 1,085,320.80 × 444,993.60
  4. Step 4: Simplify right side
    724,929.60x = 482,960,809,946.88
  5. Step 5: Solve for x
    x = 482,960,809,946.88/724,929.60
  6. Step 6: Final answer
    x = 666,217.53

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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.