Home / 617,675.13-925,306.03-425,515.65

Finding the Fourth Proportional to 617,675.13, 925,306.03 and 425,515.65

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Solution

The fourth proportional to 617,675.13, 925,306.03 and 425,515.65 is: 637,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,675.13 : 925,306.03 = 425,515.65 : x
  2. Step 2: Convert to fraction form
    617,675.13/925,306.03 = 425,515.65/x
  3. Step 3: Cross multiply
    617,675.13x = 925,306.03 × 425,515.65
  4. Step 4: Simplify right side
    617,675.13x = 393,732,196,804.37
  5. Step 5: Solve for x
    x = 393,732,196,804.37/617,675.13
  6. Step 6: Final answer
    x = 637,442.20

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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.