Home / 942,738.06-1,300,967.54-513,010.84

Finding the Fourth Proportional to 942,738.06, 1,300,967.54 and 513,010.84

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Solution

The fourth proportional to 942,738.06, 1,300,967.54 and 513,010.84 is: 707,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,738.06 : 1,300,967.54 = 513,010.84 : x
  2. Step 2: Convert to fraction form
    942,738.06/1,300,967.54 = 513,010.84/x
  3. Step 3: Cross multiply
    942,738.06x = 1,300,967.54 × 513,010.84
  4. Step 4: Simplify right side
    942,738.06x = 667,410,450,508.13
  5. Step 5: Solve for x
    x = 667,410,450,508.13/942,738.06
  6. Step 6: Final answer
    x = 707,948.98

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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.