Home / 742,112.20-1,112,682.30-292,562.20

Finding the Fourth Proportional to 742,112.20, 1,112,682.30 and 292,562.20

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Solution

The fourth proportional to 742,112.20, 1,112,682.30 and 292,562.20 is: 438,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,112.20 : 1,112,682.30 = 292,562.20 : x
  2. Step 2: Convert to fraction form
    742,112.20/1,112,682.30 = 292,562.20/x
  3. Step 3: Cross multiply
    742,112.20x = 1,112,682.30 × 292,562.20
  4. Step 4: Simplify right side
    742,112.20x = 325,528,781,589.06
  5. Step 5: Solve for x
    x = 325,528,781,589.06/742,112.20
  6. Step 6: Final answer
    x = 438,651.70

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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.