Home / 863,449.60-1,293,424.80-489,035.20

Finding the Fourth Proportional to 863,449.60, 1,293,424.80 and 489,035.20

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Solution

The fourth proportional to 863,449.60, 1,293,424.80 and 489,035.20 is: 732,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,449.60 : 1,293,424.80 = 489,035.20 : x
  2. Step 2: Convert to fraction form
    863,449.60/1,293,424.80 = 489,035.20/x
  3. Step 3: Cross multiply
    863,449.60x = 1,293,424.80 × 489,035.20
  4. Step 4: Simplify right side
    863,449.60x = 632,530,255,752.96
  5. Step 5: Solve for x
    x = 632,530,255,752.96/863,449.60
  6. Step 6: Final answer
    x = 732,561.87

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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.