Home / 832,515.53-1,148,874.72-450,542.21

Finding the Fourth Proportional to 832,515.53, 1,148,874.72 and 450,542.21

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Solution

The fourth proportional to 832,515.53, 1,148,874.72 and 450,542.21 is: 621,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,515.53 : 1,148,874.72 = 450,542.21 : x
  2. Step 2: Convert to fraction form
    832,515.53/1,148,874.72 = 450,542.21/x
  3. Step 3: Cross multiply
    832,515.53x = 1,148,874.72 × 450,542.21
  4. Step 4: Simplify right side
    832,515.53x = 517,616,555,361.93
  5. Step 5: Solve for x
    x = 517,616,555,361.93/832,515.53
  6. Step 6: Final answer
    x = 621,750.03

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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.