Home / 766,566.42-1,149,024.06-366,356.40

Finding the Fourth Proportional to 766,566.42, 1,149,024.06 and 366,356.40

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Solution

The fourth proportional to 766,566.42, 1,149,024.06 and 366,356.40 is: 549,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,566.42 : 1,149,024.06 = 366,356.40 : x
  2. Step 2: Convert to fraction form
    766,566.42/1,149,024.06 = 366,356.40/x
  3. Step 3: Cross multiply
    766,566.42x = 1,149,024.06 × 366,356.40
  4. Step 4: Simplify right side
    766,566.42x = 420,952,318,134.98
  5. Step 5: Solve for x
    x = 420,952,318,134.98/766,566.42
  6. Step 6: Final answer
    x = 549,140.04

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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.