Home / 957,315.06-1,320,581.61-612,780.29

Finding the Fourth Proportional to 957,315.06, 1,320,581.61 and 612,780.29

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Solution

The fourth proportional to 957,315.06, 1,320,581.61 and 612,780.29 is: 845,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,315.06 : 1,320,581.61 = 612,780.29 : x
  2. Step 2: Convert to fraction form
    957,315.06/1,320,581.61 = 612,780.29/x
  3. Step 3: Cross multiply
    957,315.06x = 1,320,581.61 × 612,780.29
  4. Step 4: Simplify right side
    957,315.06x = 809,226,381,944.47
  5. Step 5: Solve for x
    x = 809,226,381,944.47/957,315.06
  6. Step 6: Final answer
    x = 845,308.32

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1.5x scale

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.