Home / 769,429.29-1,061,941.59-520,958.55

Finding the Fourth Proportional to 769,429.29, 1,061,941.59 and 520,958.55

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Solution

The fourth proportional to 769,429.29, 1,061,941.59 and 520,958.55 is: 719,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,429.29 : 1,061,941.59 = 520,958.55 : x
  2. Step 2: Convert to fraction form
    769,429.29/1,061,941.59 = 520,958.55/x
  3. Step 3: Cross multiply
    769,429.29x = 1,061,941.59 × 520,958.55
  4. Step 4: Simplify right side
    769,429.29x = 553,227,554,893.38
  5. Step 5: Solve for x
    x = 553,227,554,893.38/769,429.29
  6. Step 6: Final answer
    x = 719,010.26

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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.