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Finding the Fourth Proportional to 646,089.36, 969,332.52 and 330,767.60

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Solution

The fourth proportional to 646,089.36, 969,332.52 and 330,767.60 is: 496,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,089.36 : 969,332.52 = 330,767.60 : x
  2. Step 2: Convert to fraction form
    646,089.36/969,332.52 = 330,767.60/x
  3. Step 3: Cross multiply
    646,089.36x = 969,332.52 × 330,767.60
  4. Step 4: Simplify right side
    646,089.36x = 320,623,791,242.35
  5. Step 5: Solve for x
    x = 320,623,791,242.35/646,089.36
  6. Step 6: Final answer
    x = 496,253.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.