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Finding the Fourth Proportional to 478,869.88, 660,870.22 and 264,009.62

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Solution

The fourth proportional to 478,869.88, 660,870.22 and 264,009.62 is: 364,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,869.88 : 660,870.22 = 264,009.62 : x
  2. Step 2: Convert to fraction form
    478,869.88/660,870.22 = 264,009.62/x
  3. Step 3: Cross multiply
    478,869.88x = 660,870.22 × 264,009.62
  4. Step 4: Simplify right side
    478,869.88x = 174,476,095,651.52
  5. Step 5: Solve for x
    x = 174,476,095,651.52/478,869.88
  6. Step 6: Final answer
    x = 364,349.70

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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.