Home / 993,628.80-1,490,524.20-425,014.20

Finding the Fourth Proportional to 993,628.80, 1,490,524.20 and 425,014.20

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Solution

The fourth proportional to 993,628.80, 1,490,524.20 and 425,014.20 is: 637,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,628.80 : 1,490,524.20 = 425,014.20 : x
  2. Step 2: Convert to fraction form
    993,628.80/1,490,524.20 = 425,014.20/x
  3. Step 3: Cross multiply
    993,628.80x = 1,490,524.20 × 425,014.20
  4. Step 4: Simplify right side
    993,628.80x = 633,493,950,443.64
  5. Step 5: Solve for x
    x = 633,493,950,443.64/993,628.80
  6. Step 6: Final answer
    x = 637,555.95

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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.