Home / 778,262.06-1,073,998.85-434,097.72

Finding the Fourth Proportional to 778,262.06, 1,073,998.85 and 434,097.72

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Solution

The fourth proportional to 778,262.06, 1,073,998.85 and 434,097.72 is: 599,053.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,262.06 : 1,073,998.85 = 434,097.72 : x
  2. Step 2: Convert to fraction form
    778,262.06/1,073,998.85 = 434,097.72/x
  3. Step 3: Cross multiply
    778,262.06x = 1,073,998.85 × 434,097.72
  4. Step 4: Simplify right side
    778,262.06x = 466,220,449,897.13
  5. Step 5: Solve for x
    x = 466,220,449,897.13/778,262.06
  6. Step 6: Final answer
    x = 599,053.29

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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.