Home / 679,949.70-1,019,924.55-456,000.90

Finding the Fourth Proportional to 679,949.70, 1,019,924.55 and 456,000.90

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Solution

The fourth proportional to 679,949.70, 1,019,924.55 and 456,000.90 is: 684,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,949.70 : 1,019,924.55 = 456,000.90 : x
  2. Step 2: Convert to fraction form
    679,949.70/1,019,924.55 = 456,000.90/x
  3. Step 3: Cross multiply
    679,949.70x = 1,019,924.55 × 456,000.90
  4. Step 4: Simplify right side
    679,949.70x = 465,086,512,732.10
  5. Step 5: Solve for x
    x = 465,086,512,732.10/679,949.70
  6. Step 6: Final answer
    x = 684,001.35

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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.