Home / 993,861.70-1,490,805.51-283,912.90

Finding the Fourth Proportional to 993,861.70, 1,490,805.51 and 283,912.90

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Solution

The fourth proportional to 993,861.70, 1,490,805.51 and 283,912.90 is: 425,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,861.70 : 1,490,805.51 = 283,912.90 : x
  2. Step 2: Convert to fraction form
    993,861.70/1,490,805.51 = 283,912.90/x
  3. Step 3: Cross multiply
    993,861.70x = 1,490,805.51 × 283,912.90
  4. Step 4: Simplify right side
    993,861.70x = 423,258,915,680.08
  5. Step 5: Solve for x
    x = 423,258,915,680.08/993,861.70
  6. Step 6: Final answer
    x = 425,873.05

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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.