Home / 993,458.40-1,490,201.24-283,486.20

Finding the Fourth Proportional to 993,458.40, 1,490,201.24 and 283,486.20

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Solution

The fourth proportional to 993,458.40, 1,490,201.24 and 283,486.20 is: 425,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,458.40 : 1,490,201.24 = 283,486.20 : x
  2. Step 2: Convert to fraction form
    993,458.40/1,490,201.24 = 283,486.20/x
  3. Step 3: Cross multiply
    993,458.40x = 1,490,201.24 × 283,486.20
  4. Step 4: Simplify right side
    993,458.40x = 422,451,486,762.89
  5. Step 5: Solve for x
    x = 422,451,486,762.89/993,458.40
  6. Step 6: Final answer
    x = 425,233.19

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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.