Home / 953,393.28-1,315,911.90-545,731.44

Finding the Fourth Proportional to 953,393.28, 1,315,911.90 and 545,731.44

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Solution

The fourth proportional to 953,393.28, 1,315,911.90 and 545,731.44 is: 753,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,393.28 : 1,315,911.90 = 545,731.44 : x
  2. Step 2: Convert to fraction form
    953,393.28/1,315,911.90 = 545,731.44/x
  3. Step 3: Cross multiply
    953,393.28x = 1,315,911.90 × 545,731.44
  4. Step 4: Simplify right side
    953,393.28x = 718,134,496,100.14
  5. Step 5: Solve for x
    x = 718,134,496,100.14/953,393.28
  6. Step 6: Final answer
    x = 753,240.57

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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.