Home / 734,724.42-1,013,919.21-412,435.14

Finding the Fourth Proportional to 734,724.42, 1,013,919.21 and 412,435.14

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Solution

The fourth proportional to 734,724.42, 1,013,919.21 and 412,435.14 is: 569,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,724.42 : 1,013,919.21 = 412,435.14 : x
  2. Step 2: Convert to fraction form
    734,724.42/1,013,919.21 = 412,435.14/x
  3. Step 3: Cross multiply
    734,724.42x = 1,013,919.21 × 412,435.14
  4. Step 4: Simplify right side
    734,724.42x = 418,175,911,325.04
  5. Step 5: Solve for x
    x = 418,175,911,325.04/734,724.42
  6. Step 6: Final answer
    x = 569,160.22

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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.