Home / 846,420.64-1,270,127.48-314,311.12

Finding the Fourth Proportional to 846,420.64, 1,270,127.48 and 314,311.12

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Solution

The fourth proportional to 846,420.64, 1,270,127.48 and 314,311.12 is: 471,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,420.64 : 1,270,127.48 = 314,311.12 : x
  2. Step 2: Convert to fraction form
    846,420.64/1,270,127.48 = 314,311.12/x
  3. Step 3: Cross multiply
    846,420.64x = 1,270,127.48 × 314,311.12
  4. Step 4: Simplify right side
    846,420.64x = 399,215,190,781.58
  5. Step 5: Solve for x
    x = 399,215,190,781.58/846,420.64
  6. Step 6: Final answer
    x = 471,651.06

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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.