Home / 447,748.10-617,907.48-243,806.90

Finding the Fourth Proportional to 447,748.10, 617,907.48 and 243,806.90

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Solution

The fourth proportional to 447,748.10, 617,907.48 and 243,806.90 is: 336,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,748.10 : 617,907.48 = 243,806.90 : x
  2. Step 2: Convert to fraction form
    447,748.10/617,907.48 = 243,806.90/x
  3. Step 3: Cross multiply
    447,748.10x = 617,907.48 × 243,806.90
  4. Step 4: Simplify right side
    447,748.10x = 150,650,107,185.61
  5. Step 5: Solve for x
    x = 150,650,107,185.61/447,748.10
  6. Step 6: Final answer
    x = 336,461.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.