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Finding the Fourth Proportional to 497,272.86, 742,364.32 and 479,776.86

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Solution

The fourth proportional to 497,272.86, 742,364.32 and 479,776.86 is: 716,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,272.86 : 742,364.32 = 479,776.86 : x
  2. Step 2: Convert to fraction form
    497,272.86/742,364.32 = 479,776.86/x
  3. Step 3: Cross multiply
    497,272.86x = 742,364.32 × 479,776.86
  4. Step 4: Simplify right side
    497,272.86x = 356,169,222,425.64
  5. Step 5: Solve for x
    x = 356,169,222,425.64/497,272.86
  6. Step 6: Final answer
    x = 716,245.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.