Home / 778,544.51-1,074,389.94-434,359.97

Finding the Fourth Proportional to 778,544.51, 1,074,389.94 and 434,359.97

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Solution

The fourth proportional to 778,544.51, 1,074,389.94 and 434,359.97 is: 599,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,544.51 : 1,074,389.94 = 434,359.97 : x
  2. Step 2: Convert to fraction form
    778,544.51/1,074,389.94 = 434,359.97/x
  3. Step 3: Cross multiply
    778,544.51x = 1,074,389.94 × 434,359.97
  4. Step 4: Simplify right side
    778,544.51x = 466,671,976,734.75
  5. Step 5: Solve for x
    x = 466,671,976,734.75/778,544.51
  6. Step 6: Final answer
    x = 599,415.92

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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.