Home / 790,773.30-1,091,267.73-428,200.02

Finding the Fourth Proportional to 790,773.30, 1,091,267.73 and 428,200.02

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Solution

The fourth proportional to 790,773.30, 1,091,267.73 and 428,200.02 is: 590,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,773.30 : 1,091,267.73 = 428,200.02 : x
  2. Step 2: Convert to fraction form
    790,773.30/1,091,267.73 = 428,200.02/x
  3. Step 3: Cross multiply
    790,773.30x = 1,091,267.73 × 428,200.02
  4. Step 4: Simplify right side
    790,773.30x = 467,280,863,811.36
  5. Step 5: Solve for x
    x = 467,280,863,811.36/790,773.30
  6. Step 6: Final answer
    x = 590,916.34

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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.