Home / 742,327.20-1,113,004.80-292,777.20

Finding the Fourth Proportional to 742,327.20, 1,113,004.80 and 292,777.20

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Solution

The fourth proportional to 742,327.20, 1,113,004.80 and 292,777.20 is: 438,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,327.20 : 1,113,004.80 = 292,777.20 : x
  2. Step 2: Convert to fraction form
    742,327.20/1,113,004.80 = 292,777.20/x
  3. Step 3: Cross multiply
    742,327.20x = 1,113,004.80 × 292,777.20
  4. Step 4: Simplify right side
    742,327.20x = 325,862,428,930.56
  5. Step 5: Solve for x
    x = 325,862,428,930.56/742,327.20
  6. Step 6: Final answer
    x = 438,974.12

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1.5x scale

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.