Home / 920,077.45-1,380,265.99-271,719.23

Finding the Fourth Proportional to 920,077.45, 1,380,265.99 and 271,719.23

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Solution

The fourth proportional to 920,077.45, 1,380,265.99 and 271,719.23 is: 407,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,077.45 : 1,380,265.99 = 271,719.23 : x
  2. Step 2: Convert to fraction form
    920,077.45/1,380,265.99 = 271,719.23/x
  3. Step 3: Cross multiply
    920,077.45x = 1,380,265.99 × 271,719.23
  4. Step 4: Simplify right side
    920,077.45x = 375,044,804,417.36
  5. Step 5: Solve for x
    x = 375,044,804,417.36/920,077.45
  6. Step 6: Final answer
    x = 407,623.08

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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.