Home / 920,792.64-1,380,826.08-447,337.92

Finding the Fourth Proportional to 920,792.64, 1,380,826.08 and 447,337.92

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Solution

The fourth proportional to 920,792.64, 1,380,826.08 and 447,337.92 is: 670,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,792.64 : 1,380,826.08 = 447,337.92 : x
  2. Step 2: Convert to fraction form
    920,792.64/1,380,826.08 = 447,337.92/x
  3. Step 3: Cross multiply
    920,792.64x = 1,380,826.08 × 447,337.92
  4. Step 4: Simplify right side
    920,792.64x = 617,695,866,508.95
  5. Step 5: Solve for x
    x = 617,695,866,508.95/920,792.64
  6. Step 6: Final answer
    x = 670,830.59

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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.