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Finding the Fourth Proportional to 478,867.88, 660,867.46 and 264,007.62

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Solution

The fourth proportional to 478,867.88, 660,867.46 and 264,007.62 is: 364,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,867.88 : 660,867.46 = 264,007.62 : x
  2. Step 2: Convert to fraction form
    478,867.88/660,867.46 = 264,007.62/x
  3. Step 3: Cross multiply
    478,867.88x = 660,867.46 × 264,007.62
  4. Step 4: Simplify right side
    478,867.88x = 174,474,044,590.03
  5. Step 5: Solve for x
    x = 174,474,044,590.03/478,867.88
  6. Step 6: Final answer
    x = 364,346.93

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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.