Home / 790,876.56-1,091,498.04-451,402.32

Finding the Fourth Proportional to 790,876.56, 1,091,498.04 and 451,402.32

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Solution

The fourth proportional to 790,876.56, 1,091,498.04 and 451,402.32 is: 622,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,876.56 : 1,091,498.04 = 451,402.32 : x
  2. Step 2: Convert to fraction form
    790,876.56/1,091,498.04 = 451,402.32/x
  3. Step 3: Cross multiply
    790,876.56x = 1,091,498.04 × 451,402.32
  4. Step 4: Simplify right side
    790,876.56x = 492,704,747,531.45
  5. Step 5: Solve for x
    x = 492,704,747,531.45/790,876.56
  6. Step 6: Final answer
    x = 622,985.65

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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.