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Finding the Fourth Proportional to 578,630.40, 867,865.60 and 179,545.60

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Solution

The fourth proportional to 578,630.40, 867,865.60 and 179,545.60 is: 269,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,630.40 : 867,865.60 = 179,545.60 : x
  2. Step 2: Convert to fraction form
    578,630.40/867,865.60 = 179,545.60/x
  3. Step 3: Cross multiply
    578,630.40x = 867,865.60 × 179,545.60
  4. Step 4: Simplify right side
    578,630.40x = 155,821,449,871.36
  5. Step 5: Solve for x
    x = 155,821,449,871.36/578,630.40
  6. Step 6: Final answer
    x = 269,293.58

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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.