Home / 772,945.74-1,158,875.32-340,457.94

Finding the Fourth Proportional to 772,945.74, 1,158,875.32 and 340,457.94

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Solution

The fourth proportional to 772,945.74, 1,158,875.32 and 340,457.94 is: 510,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,945.74 : 1,158,875.32 = 340,457.94 : x
  2. Step 2: Convert to fraction form
    772,945.74/1,158,875.32 = 340,457.94/x
  3. Step 3: Cross multiply
    772,945.74x = 1,158,875.32 × 340,457.94
  4. Step 4: Simplify right side
    772,945.74x = 394,548,304,164.04
  5. Step 5: Solve for x
    x = 394,548,304,164.04/772,945.74
  6. Step 6: Final answer
    x = 510,447.61

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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.