Home / 993,578.10-1,490,561.55-424,958.10

Finding the Fourth Proportional to 993,578.10, 1,490,561.55 and 424,958.10

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Solution

The fourth proportional to 993,578.10, 1,490,561.55 and 424,958.10 is: 637,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,578.10 : 1,490,561.55 = 424,958.10 : x
  2. Step 2: Convert to fraction form
    993,578.10/1,490,561.55 = 424,958.10/x
  3. Step 3: Cross multiply
    993,578.10x = 1,490,561.55 × 424,958.10
  4. Step 4: Simplify right side
    993,578.10x = 633,426,204,221.06
  5. Step 5: Solve for x
    x = 633,426,204,221.06/993,578.10
  6. Step 6: Final answer
    x = 637,520.30

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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.