Home / 886,985.90-1,330,478.85-325,904.30

Finding the Fourth Proportional to 886,985.90, 1,330,478.85 and 325,904.30

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Solution

The fourth proportional to 886,985.90, 1,330,478.85 and 325,904.30 is: 488,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,985.90 : 1,330,478.85 = 325,904.30 : x
  2. Step 2: Convert to fraction form
    886,985.90/1,330,478.85 = 325,904.30/x
  3. Step 3: Cross multiply
    886,985.90x = 1,330,478.85 × 325,904.30
  4. Step 4: Simplify right side
    886,985.90x = 433,608,778,274.06
  5. Step 5: Solve for x
    x = 433,608,778,274.06/886,985.90
  6. Step 6: Final answer
    x = 488,856.45

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Similar ratio
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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.