Home / 949,508.16-1,424,387.30-309,587.20

Finding the Fourth Proportional to 949,508.16, 1,424,387.30 and 309,587.20

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Solution

The fourth proportional to 949,508.16, 1,424,387.30 and 309,587.20 is: 464,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,508.16 : 1,424,387.30 = 309,587.20 : x
  2. Step 2: Convert to fraction form
    949,508.16/1,424,387.30 = 309,587.20/x
  3. Step 3: Cross multiply
    949,508.16x = 1,424,387.30 × 309,587.20
  4. Step 4: Simplify right side
    949,508.16x = 440,972,070,813.66
  5. Step 5: Solve for x
    x = 440,972,070,813.66/949,508.16
  6. Step 6: Final answer
    x = 464,421.57

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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.