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Finding the Fourth Proportional to 341,656.40, 512,484.60 and 325,326.80

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Solution

The fourth proportional to 341,656.40, 512,484.60 and 325,326.80 is: 487,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,656.40 : 512,484.60 = 325,326.80 : x
  2. Step 2: Convert to fraction form
    341,656.40/512,484.60 = 325,326.80/x
  3. Step 3: Cross multiply
    341,656.40x = 512,484.60 × 325,326.80
  4. Step 4: Simplify right side
    341,656.40x = 166,724,974,967.28
  5. Step 5: Solve for x
    x = 166,724,974,967.28/341,656.40
  6. Step 6: Final answer
    x = 487,990.20

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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.