Home / 763,787.88-1,145,288.16-524,267.64

Finding the Fourth Proportional to 763,787.88, 1,145,288.16 and 524,267.64

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Solution

The fourth proportional to 763,787.88, 1,145,288.16 and 524,267.64 is: 786,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,787.88 : 1,145,288.16 = 524,267.64 : x
  2. Step 2: Convert to fraction form
    763,787.88/1,145,288.16 = 524,267.64/x
  3. Step 3: Cross multiply
    763,787.88x = 1,145,288.16 × 524,267.64
  4. Step 4: Simplify right side
    763,787.88x = 600,437,520,763.14
  5. Step 5: Solve for x
    x = 600,437,520,763.14/763,787.88
  6. Step 6: Final answer
    x = 786,131.25

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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.