Home / 742,632.27-1,113,657.82-262,674.61

Finding the Fourth Proportional to 742,632.27, 1,113,657.82 and 262,674.61

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Solution

The fourth proportional to 742,632.27, 1,113,657.82 and 262,674.61 is: 393,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,632.27 : 1,113,657.82 = 262,674.61 : x
  2. Step 2: Convert to fraction form
    742,632.27/1,113,657.82 = 262,674.61/x
  3. Step 3: Cross multiply
    742,632.27x = 1,113,657.82 × 262,674.61
  4. Step 4: Simplify right side
    742,632.27x = 292,529,633,541.95
  5. Step 5: Solve for x
    x = 292,529,633,541.95/742,632.27
  6. Step 6: Final answer
    x = 393,909.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.