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Finding the Fourth Proportional to 617,458.92, 852,139.08 and 345,554.04

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Solution

The fourth proportional to 617,458.92, 852,139.08 and 345,554.04 is: 476,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,458.92 : 852,139.08 = 345,554.04 : x
  2. Step 2: Convert to fraction form
    617,458.92/852,139.08 = 345,554.04/x
  3. Step 3: Cross multiply
    617,458.92x = 852,139.08 × 345,554.04
  4. Step 4: Simplify right side
    617,458.92x = 294,460,101,735.88
  5. Step 5: Solve for x
    x = 294,460,101,735.88/617,458.92
  6. Step 6: Final answer
    x = 476,890.19

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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.