Home / 976,445.08-1,347,434.76-540,836.60

Finding the Fourth Proportional to 976,445.08, 1,347,434.76 and 540,836.60

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Solution

The fourth proportional to 976,445.08, 1,347,434.76 and 540,836.60 is: 746,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,445.08 : 1,347,434.76 = 540,836.60 : x
  2. Step 2: Convert to fraction form
    976,445.08/1,347,434.76 = 540,836.60/x
  3. Step 3: Cross multiply
    976,445.08x = 1,347,434.76 × 540,836.60
  4. Step 4: Simplify right side
    976,445.08x = 728,742,040,980.16
  5. Step 5: Solve for x
    x = 728,742,040,980.16/976,445.08
  6. Step 6: Final answer
    x = 746,321.59

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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.