Home / 684,047.40-1,026,071.10-404,111.40

Finding the Fourth Proportional to 684,047.40, 1,026,071.10 and 404,111.40

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Solution

The fourth proportional to 684,047.40, 1,026,071.10 and 404,111.40 is: 606,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,047.40 : 1,026,071.10 = 404,111.40 : x
  2. Step 2: Convert to fraction form
    684,047.40/1,026,071.10 = 404,111.40/x
  3. Step 3: Cross multiply
    684,047.40x = 1,026,071.10 × 404,111.40
  4. Step 4: Simplify right side
    684,047.40x = 414,647,028,720.54
  5. Step 5: Solve for x
    x = 414,647,028,720.54/684,047.40
  6. Step 6: Final answer
    x = 606,167.10

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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.