Home / 617,051.04-851,532.30-345,123.54

Finding the Fourth Proportional to 617,051.04, 851,532.30 and 345,123.54

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Solution

The fourth proportional to 617,051.04, 851,532.30 and 345,123.54 is: 476,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,051.04 : 851,532.30 = 345,123.54 : x
  2. Step 2: Convert to fraction form
    617,051.04/851,532.30 = 345,123.54/x
  3. Step 3: Cross multiply
    617,051.04x = 851,532.30 × 345,123.54
  4. Step 4: Simplify right side
    617,051.04x = 293,883,841,800.34
  5. Step 5: Solve for x
    x = 293,883,841,800.34/617,051.04
  6. Step 6: Final answer
    x = 476,271.53

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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.