Home / 886,905.60-1,330,358.40-326,342.40

Finding the Fourth Proportional to 886,905.60, 1,330,358.40 and 326,342.40

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Solution

The fourth proportional to 886,905.60, 1,330,358.40 and 326,342.40 is: 489,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,905.60 : 1,330,358.40 = 326,342.40 : x
  2. Step 2: Convert to fraction form
    886,905.60/1,330,358.40 = 326,342.40/x
  3. Step 3: Cross multiply
    886,905.60x = 1,330,358.40 × 326,342.40
  4. Step 4: Simplify right side
    886,905.60x = 434,152,353,116.16
  5. Step 5: Solve for x
    x = 434,152,353,116.16/886,905.60
  6. Step 6: Final answer
    x = 489,513.60

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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.