Home / 763,357.69-1,143,292.51-364,278.70

Finding the Fourth Proportional to 763,357.69, 1,143,292.51 and 364,278.70

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Solution

The fourth proportional to 763,357.69, 1,143,292.51 and 364,278.70 is: 545,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,357.69 : 1,143,292.51 = 364,278.70 : x
  2. Step 2: Convert to fraction form
    763,357.69/1,143,292.51 = 364,278.70/x
  3. Step 3: Cross multiply
    763,357.69x = 1,143,292.51 × 364,278.70
  4. Step 4: Simplify right side
    763,357.69x = 416,477,109,262.54
  5. Step 5: Solve for x
    x = 416,477,109,262.54/763,357.69
  6. Step 6: Final answer
    x = 545,585.79

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1.5x scale

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.