Home / 1,216,102.90-1,824,154.35-329,638.90

Finding the Fourth Proportional to 1,216,102.90, 1,824,154.35 and 329,638.90

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Solution

The fourth proportional to 1,216,102.90, 1,824,154.35 and 329,638.90 is: 494,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,102.90 : 1,824,154.35 = 329,638.90 : x
  2. Step 2: Convert to fraction form
    1,216,102.90/1,824,154.35 = 329,638.90/x
  3. Step 3: Cross multiply
    1,216,102.90x = 1,824,154.35 × 329,638.90
  4. Step 4: Simplify right side
    1,216,102.90x = 601,312,233,364.22
  5. Step 5: Solve for x
    x = 601,312,233,364.22/1,216,102.90
  6. Step 6: Final answer
    x = 494,458.35

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Double scale
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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.