Home / 972,846.72-1,342,529.64-543,126.60

Finding the Fourth Proportional to 972,846.72, 1,342,529.64 and 543,126.60

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Solution

The fourth proportional to 972,846.72, 1,342,529.64 and 543,126.60 is: 749,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,846.72 : 1,342,529.64 = 543,126.60 : x
  2. Step 2: Convert to fraction form
    972,846.72/1,342,529.64 = 543,126.60/x
  3. Step 3: Cross multiply
    972,846.72x = 1,342,529.64 × 543,126.60
  4. Step 4: Simplify right side
    972,846.72x = 729,163,558,772.42
  5. Step 5: Solve for x
    x = 729,163,558,772.42/972,846.72
  6. Step 6: Final answer
    x = 749,515.36

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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.