Home / 949,451.76-1,424,422.40-342,215.96

Finding the Fourth Proportional to 949,451.76, 1,424,422.40 and 342,215.96

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Solution

The fourth proportional to 949,451.76, 1,424,422.40 and 342,215.96 is: 513,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,451.76 : 1,424,422.40 = 342,215.96 : x
  2. Step 2: Convert to fraction form
    949,451.76/1,424,422.40 = 342,215.96/x
  3. Step 3: Cross multiply
    949,451.76x = 1,424,422.40 × 342,215.96
  4. Step 4: Simplify right side
    949,451.76x = 487,460,070,228.31
  5. Step 5: Solve for x
    x = 487,460,070,228.31/949,451.76
  6. Step 6: Final answer
    x = 513,412.15

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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.