Home / 688,029.74-949,493.76-382,134.45

Finding the Fourth Proportional to 688,029.74, 949,493.76 and 382,134.45

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Solution

The fourth proportional to 688,029.74, 949,493.76 and 382,134.45 is: 527,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,029.74 : 949,493.76 = 382,134.45 : x
  2. Step 2: Convert to fraction form
    688,029.74/949,493.76 = 382,134.45/x
  3. Step 3: Cross multiply
    688,029.74x = 949,493.76 × 382,134.45
  4. Step 4: Simplify right side
    688,029.74x = 362,834,275,756.03
  5. Step 5: Solve for x
    x = 362,834,275,756.03/688,029.74
  6. Step 6: Final answer
    x = 527,352.61

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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.