Home / 762,011.42-1,142,216.93-256,396.86

Finding the Fourth Proportional to 762,011.42, 1,142,216.93 and 256,396.86

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Solution

The fourth proportional to 762,011.42, 1,142,216.93 and 256,396.86 is: 384,326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,011.42 : 1,142,216.93 = 256,396.86 : x
  2. Step 2: Convert to fraction form
    762,011.42/1,142,216.93 = 256,396.86/x
  3. Step 3: Cross multiply
    762,011.42x = 1,142,216.93 × 256,396.86
  4. Step 4: Simplify right side
    762,011.42x = 292,860,833,008.86
  5. Step 5: Solve for x
    x = 292,860,833,008.86/762,011.42
  6. Step 6: Final answer
    x = 384,326.04

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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.