Home / 879,324.30-1,318,986.45-524,738.70

Finding the Fourth Proportional to 879,324.30, 1,318,986.45 and 524,738.70

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Solution

The fourth proportional to 879,324.30, 1,318,986.45 and 524,738.70 is: 787,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,324.30 : 1,318,986.45 = 524,738.70 : x
  2. Step 2: Convert to fraction form
    879,324.30/1,318,986.45 = 524,738.70/x
  3. Step 3: Cross multiply
    879,324.30x = 1,318,986.45 × 524,738.70
  4. Step 4: Simplify right side
    879,324.30x = 692,123,235,090.62
  5. Step 5: Solve for x
    x = 692,123,235,090.62/879,324.30
  6. Step 6: Final answer
    x = 787,108.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.