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Finding the Fourth Proportional to 601,542.12, 830,127.78 and 329,620.26

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Solution

The fourth proportional to 601,542.12, 830,127.78 and 329,620.26 is: 454,875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,542.12 : 830,127.78 = 329,620.26 : x
  2. Step 2: Convert to fraction form
    601,542.12/830,127.78 = 329,620.26/x
  3. Step 3: Cross multiply
    601,542.12x = 830,127.78 × 329,620.26
  4. Step 4: Simplify right side
    601,542.12x = 273,626,934,676.82
  5. Step 5: Solve for x
    x = 273,626,934,676.82/601,542.12
  6. Step 6: Final answer
    x = 454,875.77

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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.