Home / 830,012.30-1,244,034.30-745,375.40

Finding the Fourth Proportional to 830,012.30, 1,244,034.30 and 745,375.40

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Solution

The fourth proportional to 830,012.30, 1,244,034.30 and 745,375.40 is: 1,117,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,012.30 : 1,244,034.30 = 745,375.40 : x
  2. Step 2: Convert to fraction form
    830,012.30/1,244,034.30 = 745,375.40/x
  3. Step 3: Cross multiply
    830,012.30x = 1,244,034.30 × 745,375.40
  4. Step 4: Simplify right side
    830,012.30x = 927,272,563,976.22
  5. Step 5: Solve for x
    x = 927,272,563,976.22/830,012.30
  6. Step 6: Final answer
    x = 1,117,179.30

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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.