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Finding the Fourth Proportional to 562,043.07, 775,600.22 and 320,403.53

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Solution

The fourth proportional to 562,043.07, 775,600.22 and 320,403.53 is: 442,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,043.07 : 775,600.22 = 320,403.53 : x
  2. Step 2: Convert to fraction form
    562,043.07/775,600.22 = 320,403.53/x
  3. Step 3: Cross multiply
    562,043.07x = 775,600.22 × 320,403.53
  4. Step 4: Simplify right side
    562,043.07x = 248,505,051,096.79
  5. Step 5: Solve for x
    x = 248,505,051,096.79/562,043.07
  6. Step 6: Final answer
    x = 442,145.92

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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.