Home / 790,790.04-1,091,295.52-428,213.90

Finding the Fourth Proportional to 790,790.04, 1,091,295.52 and 428,213.90

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Solution

The fourth proportional to 790,790.04, 1,091,295.52 and 428,213.90 is: 590,938.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,790.04 : 1,091,295.52 = 428,213.90 : x
  2. Step 2: Convert to fraction form
    790,790.04/1,091,295.52 = 428,213.90/x
  3. Step 3: Cross multiply
    790,790.04x = 1,091,295.52 × 428,213.90
  4. Step 4: Simplify right side
    790,790.04x = 467,307,910,671.73
  5. Step 5: Solve for x
    x = 467,307,910,671.73/790,790.04
  6. Step 6: Final answer
    x = 590,938.03

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Double scale
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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.