Home / 640,113.03-960,427.73-284,884.09

Finding the Fourth Proportional to 640,113.03, 960,427.73 and 284,884.09

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Solution

The fourth proportional to 640,113.03, 960,427.73 and 284,884.09 is: 427,441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,113.03 : 960,427.73 = 284,884.09 : x
  2. Step 2: Convert to fraction form
    640,113.03/960,427.73 = 284,884.09/x
  3. Step 3: Cross multiply
    640,113.03x = 960,427.73 × 284,884.09
  4. Step 4: Simplify right side
    640,113.03x = 273,610,578,182.96
  5. Step 5: Solve for x
    x = 273,610,578,182.96/640,113.03
  6. Step 6: Final answer
    x = 427,441.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.