Home / 842,068.20-1,263,102.30-243,048.90

Finding the Fourth Proportional to 842,068.20, 1,263,102.30 and 243,048.90

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Solution

The fourth proportional to 842,068.20, 1,263,102.30 and 243,048.90 is: 364,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,068.20 : 1,263,102.30 = 243,048.90 : x
  2. Step 2: Convert to fraction form
    842,068.20/1,263,102.30 = 243,048.90/x
  3. Step 3: Cross multiply
    842,068.20x = 1,263,102.30 × 243,048.90
  4. Step 4: Simplify right side
    842,068.20x = 306,995,624,602.47
  5. Step 5: Solve for x
    x = 306,995,624,602.47/842,068.20
  6. Step 6: Final answer
    x = 364,573.35

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Double scale
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Similar ratio
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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.