Home / 945,445.66-1,418,180.84-314,359.47

Finding the Fourth Proportional to 945,445.66, 1,418,180.84 and 314,359.47

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Solution

The fourth proportional to 945,445.66, 1,418,180.84 and 314,359.47 is: 471,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,445.66 : 1,418,180.84 = 314,359.47 : x
  2. Step 2: Convert to fraction form
    945,445.66/1,418,180.84 = 314,359.47/x
  3. Step 3: Cross multiply
    945,445.66x = 1,418,180.84 × 314,359.47
  4. Step 4: Simplify right side
    945,445.66x = 445,818,577,226.56
  5. Step 5: Solve for x
    x = 445,818,577,226.56/945,445.66
  6. Step 6: Final answer
    x = 471,543.31

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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.