Home / 711,822.90-1,067,423.31-213,070.26

Finding the Fourth Proportional to 711,822.90, 1,067,423.31 and 213,070.26

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Solution

The fourth proportional to 711,822.90, 1,067,423.31 and 213,070.26 is: 319,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,822.90 : 1,067,423.31 = 213,070.26 : x
  2. Step 2: Convert to fraction form
    711,822.90/1,067,423.31 = 213,070.26/x
  3. Step 3: Cross multiply
    711,822.90x = 1,067,423.31 × 213,070.26
  4. Step 4: Simplify right side
    711,822.90x = 227,436,162,191.76
  5. Step 5: Solve for x
    x = 227,436,162,191.76/711,822.90
  6. Step 6: Final answer
    x = 319,512.29

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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.