Home / 740,965.62-1,022,537.46-401,433.87

Finding the Fourth Proportional to 740,965.62, 1,022,537.46 and 401,433.87

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Solution

The fourth proportional to 740,965.62, 1,022,537.46 and 401,433.87 is: 553,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,965.62 : 1,022,537.46 = 401,433.87 : x
  2. Step 2: Convert to fraction form
    740,965.62/1,022,537.46 = 401,433.87/x
  3. Step 3: Cross multiply
    740,965.62x = 1,022,537.46 × 401,433.87
  4. Step 4: Simplify right side
    740,965.62x = 410,481,169,787.77
  5. Step 5: Solve for x
    x = 410,481,169,787.77/740,965.62
  6. Step 6: Final answer
    x = 553,981.40

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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.