Home / 826,533.80-1,240,529.70-489,152.60

Finding the Fourth Proportional to 826,533.80, 1,240,529.70 and 489,152.60

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Solution

The fourth proportional to 826,533.80, 1,240,529.70 and 489,152.60 is: 734,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,533.80 : 1,240,529.70 = 489,152.60 : x
  2. Step 2: Convert to fraction form
    826,533.80/1,240,529.70 = 489,152.60/x
  3. Step 3: Cross multiply
    826,533.80x = 1,240,529.70 × 489,152.60
  4. Step 4: Simplify right side
    826,533.80x = 606,808,328,132.22
  5. Step 5: Solve for x
    x = 606,808,328,132.22/826,533.80
  6. Step 6: Final answer
    x = 734,160.33

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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.