Home / 762,340.82-1,051,853.90-456,300.92

Finding the Fourth Proportional to 762,340.82, 1,051,853.90 and 456,300.92

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Solution

The fourth proportional to 762,340.82, 1,051,853.90 and 456,300.92 is: 629,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,340.82 : 1,051,853.90 = 456,300.92 : x
  2. Step 2: Convert to fraction form
    762,340.82/1,051,853.90 = 456,300.92/x
  3. Step 3: Cross multiply
    762,340.82x = 1,051,853.90 × 456,300.92
  4. Step 4: Simplify right side
    762,340.82x = 479,961,894,734.81
  5. Step 5: Solve for x
    x = 479,961,894,734.81/762,340.82
  6. Step 6: Final answer
    x = 629,589.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.