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Finding the Fourth Proportional to 543,653.32, 750,240.88 and 301,972

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Solution

The fourth proportional to 543,653.32, 750,240.88 and 301,972 is: 416,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,653.32 : 750,240.88 = 301,972 : x
  2. Step 2: Convert to fraction form
    543,653.32/750,240.88 = 301,972/x
  3. Step 3: Cross multiply
    543,653.32x = 750,240.88 × 301,972
  4. Step 4: Simplify right side
    543,653.32x = 226,551,739,015.36
  5. Step 5: Solve for x
    x = 226,551,739,015.36/543,653.32
  6. Step 6: Final answer
    x = 416,720.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.