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Finding the Fourth Proportional to 497,271.86, 742,362.83 and 479,775.86

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Solution

The fourth proportional to 497,271.86, 742,362.83 and 479,775.86 is: 716,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,271.86 : 742,362.83 = 479,775.86 : x
  2. Step 2: Convert to fraction form
    497,271.86/742,362.83 = 479,775.86/x
  3. Step 3: Cross multiply
    497,271.86x = 742,362.83 × 479,775.86
  4. Step 4: Simplify right side
    497,271.86x = 356,167,762,796.41
  5. Step 5: Solve for x
    x = 356,167,762,796.41/497,271.86
  6. Step 6: Final answer
    x = 716,243.55

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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.