Home / 769,490.59-1,062,577.91-479,596.91

Finding the Fourth Proportional to 769,490.59, 1,062,577.91 and 479,596.91

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Solution

The fourth proportional to 769,490.59, 1,062,577.91 and 479,596.91 is: 662,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,490.59 : 1,062,577.91 = 479,596.91 : x
  2. Step 2: Convert to fraction form
    769,490.59/1,062,577.91 = 479,596.91/x
  3. Step 3: Cross multiply
    769,490.59x = 1,062,577.91 × 479,596.91
  4. Step 4: Simplify right side
    769,490.59x = 509,609,074,559.38
  5. Step 5: Solve for x
    x = 509,609,074,559.38/769,490.59
  6. Step 6: Final answer
    x = 662,268.11

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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.