Home / 986,529.70-1,479,794.55-488,865.70

Finding the Fourth Proportional to 986,529.70, 1,479,794.55 and 488,865.70

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Solution

The fourth proportional to 986,529.70, 1,479,794.55 and 488,865.70 is: 733,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,529.70 : 1,479,794.55 = 488,865.70 : x
  2. Step 2: Convert to fraction form
    986,529.70/1,479,794.55 = 488,865.70/x
  3. Step 3: Cross multiply
    986,529.70x = 1,479,794.55 × 488,865.70
  4. Step 4: Simplify right side
    986,529.70x = 723,420,798,541.94
  5. Step 5: Solve for x
    x = 723,420,798,541.94/986,529.70
  6. Step 6: Final answer
    x = 733,298.55

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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.