Home / 729,586.16-1,007,247.72-556,142.48

Finding the Fourth Proportional to 729,586.16, 1,007,247.72 and 556,142.48

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Solution

The fourth proportional to 729,586.16, 1,007,247.72 and 556,142.48 is: 767,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,586.16 : 1,007,247.72 = 556,142.48 : x
  2. Step 2: Convert to fraction form
    729,586.16/1,007,247.72 = 556,142.48/x
  3. Step 3: Cross multiply
    729,586.16x = 1,007,247.72 × 556,142.48
  4. Step 4: Simplify right side
    729,586.16x = 560,173,244,975.15
  5. Step 5: Solve for x
    x = 560,173,244,975.15/729,586.16
  6. Step 6: Final answer
    x = 767,795.88

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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.