Home / 711,426.22-1,067,141.16-290,702.09

Finding the Fourth Proportional to 711,426.22, 1,067,141.16 and 290,702.09

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Solution

The fourth proportional to 711,426.22, 1,067,141.16 and 290,702.09 is: 436,053.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,426.22 : 1,067,141.16 = 290,702.09 : x
  2. Step 2: Convert to fraction form
    711,426.22/1,067,141.16 = 290,702.09/x
  3. Step 3: Cross multiply
    711,426.22x = 1,067,141.16 × 290,702.09
  4. Step 4: Simplify right side
    711,426.22x = 310,220,168,204.88
  5. Step 5: Solve for x
    x = 310,220,168,204.88/711,426.22
  6. Step 6: Final answer
    x = 436,053.89

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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.