Home / 684,000.20-1,026,000.30-304,920.20

Finding the Fourth Proportional to 684,000.20, 1,026,000.30 and 304,920.20

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Solution

The fourth proportional to 684,000.20, 1,026,000.30 and 304,920.20 is: 457,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,000.20 : 1,026,000.30 = 304,920.20 : x
  2. Step 2: Convert to fraction form
    684,000.20/1,026,000.30 = 304,920.20/x
  3. Step 3: Cross multiply
    684,000.20x = 1,026,000.30 × 304,920.20
  4. Step 4: Simplify right side
    684,000.20x = 312,848,216,676.06
  5. Step 5: Solve for x
    x = 312,848,216,676.06/684,000.20
  6. Step 6: Final answer
    x = 457,380.30

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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.