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Finding the Fourth Proportional to 600,927.72, 829,290.05 and 328,991.05

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Solution

The fourth proportional to 600,927.72, 829,290.05 and 328,991.05 is: 454,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,927.72 : 829,290.05 = 328,991.05 : x
  2. Step 2: Convert to fraction form
    600,927.72/829,290.05 = 328,991.05/x
  3. Step 3: Cross multiply
    600,927.72x = 829,290.05 × 328,991.05
  4. Step 4: Simplify right side
    600,927.72x = 272,829,004,304.05
  5. Step 5: Solve for x
    x = 272,829,004,304.05/600,927.72
  6. Step 6: Final answer
    x = 454,013.01

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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.