Home / 840,329.82-1,159,744.98-513,834.18

Finding the Fourth Proportional to 840,329.82, 1,159,744.98 and 513,834.18

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Solution

The fourth proportional to 840,329.82, 1,159,744.98 and 513,834.18 is: 709,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,329.82 : 1,159,744.98 = 513,834.18 : x
  2. Step 2: Convert to fraction form
    840,329.82/1,159,744.98 = 513,834.18/x
  3. Step 3: Cross multiply
    840,329.82x = 1,159,744.98 × 513,834.18
  4. Step 4: Simplify right side
    840,329.82x = 595,916,610,807.42
  5. Step 5: Solve for x
    x = 595,916,610,807.42/840,329.82
  6. Step 6: Final answer
    x = 709,146.10

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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.