Home / 907,671.87-1,252,576.83-499,765.20

Finding the Fourth Proportional to 907,671.87, 1,252,576.83 and 499,765.20

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Solution

The fourth proportional to 907,671.87, 1,252,576.83 and 499,765.20 is: 689,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,671.87 : 1,252,576.83 = 499,765.20 : x
  2. Step 2: Convert to fraction form
    907,671.87/1,252,576.83 = 499,765.20/x
  3. Step 3: Cross multiply
    907,671.87x = 1,252,576.83 × 499,765.20
  4. Step 4: Simplify right side
    907,671.87x = 625,994,309,960.32
  5. Step 5: Solve for x
    x = 625,994,309,960.32/907,671.87
  6. Step 6: Final answer
    x = 689,670.28

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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.