Home / 684,300.30-1,026,450.45-185,664.30

Finding the Fourth Proportional to 684,300.30, 1,026,450.45 and 185,664.30

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Solution

The fourth proportional to 684,300.30, 1,026,450.45 and 185,664.30 is: 278,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,300.30 : 1,026,450.45 = 185,664.30 : x
  2. Step 2: Convert to fraction form
    684,300.30/1,026,450.45 = 185,664.30/x
  3. Step 3: Cross multiply
    684,300.30x = 1,026,450.45 × 185,664.30
  4. Step 4: Simplify right side
    684,300.30x = 190,575,204,283.94
  5. Step 5: Solve for x
    x = 190,575,204,283.94/684,300.30
  6. Step 6: Final answer
    x = 278,496.45

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Half scale
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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.