Home / 993,642.30-1,490,544.45-425,027.70

Finding the Fourth Proportional to 993,642.30, 1,490,544.45 and 425,027.70

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Solution

The fourth proportional to 993,642.30, 1,490,544.45 and 425,027.70 is: 637,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,642.30 : 1,490,544.45 = 425,027.70 : x
  2. Step 2: Convert to fraction form
    993,642.30/1,490,544.45 = 425,027.70/x
  3. Step 3: Cross multiply
    993,642.30x = 1,490,544.45 × 425,027.70
  4. Step 4: Simplify right side
    993,642.30x = 633,522,679,331.27
  5. Step 5: Solve for x
    x = 633,522,679,331.27/993,642.30
  6. Step 6: Final answer
    x = 637,576.20

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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.