Home / 772,619.28-1,159,247.76-417,214.76

Finding the Fourth Proportional to 772,619.28, 1,159,247.76 and 417,214.76

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Solution

The fourth proportional to 772,619.28, 1,159,247.76 and 417,214.76 is: 625,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,619.28 : 1,159,247.76 = 417,214.76 : x
  2. Step 2: Convert to fraction form
    772,619.28/1,159,247.76 = 417,214.76/x
  3. Step 3: Cross multiply
    772,619.28x = 1,159,247.76 × 417,214.76
  4. Step 4: Simplify right side
    772,619.28x = 483,655,275,968.94
  5. Step 5: Solve for x
    x = 483,655,275,968.94/772,619.28
  6. Step 6: Final answer
    x = 625,994.31

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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.