Home / 684,004.30-1,026,006.45-185,368.30

Finding the Fourth Proportional to 684,004.30, 1,026,006.45 and 185,368.30

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Solution

The fourth proportional to 684,004.30, 1,026,006.45 and 185,368.30 is: 278,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,004.30 : 1,026,006.45 = 185,368.30 : x
  2. Step 2: Convert to fraction form
    684,004.30/1,026,006.45 = 185,368.30/x
  3. Step 3: Cross multiply
    684,004.30x = 1,026,006.45 × 185,368.30
  4. Step 4: Simplify right side
    684,004.30x = 190,189,071,425.54
  5. Step 5: Solve for x
    x = 190,189,071,425.54/684,004.30
  6. Step 6: Final answer
    x = 278,052.45

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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.