Home / 684,145.28-1,026,233.28-234,862.72

Finding the Fourth Proportional to 684,145.28, 1,026,233.28 and 234,862.72

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Solution

The fourth proportional to 684,145.28, 1,026,233.28 and 234,862.72 is: 352,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,145.28 : 1,026,233.28 = 234,862.72 : x
  2. Step 2: Convert to fraction form
    684,145.28/1,026,233.28 = 234,862.72/x
  3. Step 3: Cross multiply
    684,145.28x = 1,026,233.28 × 234,862.72
  4. Step 4: Simplify right side
    684,145.28x = 241,023,939,495.32
  5. Step 5: Solve for x
    x = 241,023,939,495.32/684,145.28
  6. Step 6: Final answer
    x = 352,299.35

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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.