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Finding the Fourth Proportional to 601,614.78, 830,215.06 and 329,676.72

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Solution

The fourth proportional to 601,614.78, 830,215.06 and 329,676.72 is: 454,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,614.78 : 830,215.06 = 329,676.72 : x
  2. Step 2: Convert to fraction form
    601,614.78/830,215.06 = 329,676.72/x
  3. Step 3: Cross multiply
    601,614.78x = 830,215.06 × 329,676.72
  4. Step 4: Simplify right side
    601,614.78x = 273,702,577,875.40
  5. Step 5: Solve for x
    x = 273,702,577,875.40/601,614.78
  6. Step 6: Final answer
    x = 454,946.57

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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.