Home / 768,141.42-1,152,267.50-294,826.78

Finding the Fourth Proportional to 768,141.42, 1,152,267.50 and 294,826.78

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Solution

The fourth proportional to 768,141.42, 1,152,267.50 and 294,826.78 is: 442,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,141.42 : 1,152,267.50 = 294,826.78 : x
  2. Step 2: Convert to fraction form
    768,141.42/1,152,267.50 = 294,826.78/x
  3. Step 3: Cross multiply
    768,141.42x = 1,152,267.50 × 294,826.78
  4. Step 4: Simplify right side
    768,141.42x = 339,719,316,723.65
  5. Step 5: Solve for x
    x = 339,719,316,723.65/768,141.42
  6. Step 6: Final answer
    x = 442,261.42

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1.5x scale

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.