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Finding the Fourth Proportional to 478,750.24, 660,432.54 and 365,376.16

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Solution

The fourth proportional to 478,750.24, 660,432.54 and 365,376.16 is: 504,033.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,750.24 : 660,432.54 = 365,376.16 : x
  2. Step 2: Convert to fraction form
    478,750.24/660,432.54 = 365,376.16/x
  3. Step 3: Cross multiply
    478,750.24x = 660,432.54 × 365,376.16
  4. Step 4: Simplify right side
    478,750.24x = 241,306,305,404.25
  5. Step 5: Solve for x
    x = 241,306,305,404.25/478,750.24
  6. Step 6: Final answer
    x = 504,033.81

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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.