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Finding the Fourth Proportional to 478,878.08, 660,881.43 and 264,017.75

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Solution

The fourth proportional to 478,878.08, 660,881.43 and 264,017.75 is: 364,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,878.08 : 660,881.43 = 264,017.75 : x
  2. Step 2: Convert to fraction form
    478,878.08/660,881.43 = 264,017.75/x
  3. Step 3: Cross multiply
    478,878.08x = 660,881.43 × 264,017.75
  4. Step 4: Simplify right side
    478,878.08x = 174,484,424,860.98
  5. Step 5: Solve for x
    x = 174,484,424,860.98/478,878.08
  6. Step 6: Final answer
    x = 364,360.86

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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.