Home / 929,475.60-1,394,213.40-742,851.60

Finding the Fourth Proportional to 929,475.60, 1,394,213.40 and 742,851.60

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Solution

The fourth proportional to 929,475.60, 1,394,213.40 and 742,851.60 is: 1,114,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,475.60 : 1,394,213.40 = 742,851.60 : x
  2. Step 2: Convert to fraction form
    929,475.60/1,394,213.40 = 742,851.60/x
  3. Step 3: Cross multiply
    929,475.60x = 1,394,213.40 × 742,851.60
  4. Step 4: Simplify right side
    929,475.60x = 1,035,693,654,931.44
  5. Step 5: Solve for x
    x = 1,035,693,654,931.44/929,475.60
  6. Step 6: Final answer
    x = 1,114,277.40

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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.