Home / 778,722.71-1,074,635.31-434,555.03

Finding the Fourth Proportional to 778,722.71, 1,074,635.31 and 434,555.03

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Solution

The fourth proportional to 778,722.71, 1,074,635.31 and 434,555.03 is: 599,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,722.71 : 1,074,635.31 = 434,555.03 : x
  2. Step 2: Convert to fraction form
    778,722.71/1,074,635.31 = 434,555.03/x
  3. Step 3: Cross multiply
    778,722.71x = 1,074,635.31 × 434,555.03
  4. Step 4: Simplify right side
    778,722.71x = 466,988,183,692.28
  5. Step 5: Solve for x
    x = 466,988,183,692.28/778,722.71
  6. Step 6: Final answer
    x = 599,684.82

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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.