Home / 742,631.27-1,113,656.33-262,673.61

Finding the Fourth Proportional to 742,631.27, 1,113,656.33 and 262,673.61

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Solution

The fourth proportional to 742,631.27, 1,113,656.33 and 262,673.61 is: 393,907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,631.27 : 1,113,656.33 = 262,673.61 : x
  2. Step 2: Convert to fraction form
    742,631.27/1,113,656.33 = 262,673.61/x
  3. Step 3: Cross multiply
    742,631.27x = 1,113,656.33 × 262,673.61
  4. Step 4: Simplify right side
    742,631.27x = 292,528,127,187.08
  5. Step 5: Solve for x
    x = 292,528,127,187.08/742,631.27
  6. Step 6: Final answer
    x = 393,907.64

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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.