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Finding the Fourth Proportional to 478,870.88, 660,871.60 and 264,010.62

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Solution

The fourth proportional to 478,870.88, 660,871.60 and 264,010.62 is: 364,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,870.88 : 660,871.60 = 264,010.62 : x
  2. Step 2: Convert to fraction form
    478,870.88/660,871.60 = 264,010.62/x
  3. Step 3: Cross multiply
    478,870.88x = 660,871.60 × 264,010.62
  4. Step 4: Simplify right side
    478,870.88x = 174,477,120,856.39
  5. Step 5: Solve for x
    x = 174,477,120,856.39/478,870.88
  6. Step 6: Final answer
    x = 364,351.08

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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.