Home / 782,555.06-1,173,490.77-276,948.07

Finding the Fourth Proportional to 782,555.06, 1,173,490.77 and 276,948.07

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Solution

The fourth proportional to 782,555.06, 1,173,490.77 and 276,948.07 is: 415,301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,555.06 : 1,173,490.77 = 276,948.07 : x
  2. Step 2: Convert to fraction form
    782,555.06/1,173,490.77 = 276,948.07/x
  3. Step 3: Cross multiply
    782,555.06x = 1,173,490.77 × 276,948.07
  4. Step 4: Simplify right side
    782,555.06x = 324,996,002,019.14
  5. Step 5: Solve for x
    x = 324,996,002,019.14/782,555.06
  6. Step 6: Final answer
    x = 415,301.13

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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.