Home / 778,723.71-1,074,636.69-434,556.03

Finding the Fourth Proportional to 778,723.71, 1,074,636.69 and 434,556.03

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Solution

The fourth proportional to 778,723.71, 1,074,636.69 and 434,556.03 is: 599,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,723.71 : 1,074,636.69 = 434,556.03 : x
  2. Step 2: Convert to fraction form
    778,723.71/1,074,636.69 = 434,556.03/x
  3. Step 3: Cross multiply
    778,723.71x = 1,074,636.69 × 434,556.03
  4. Step 4: Simplify right side
    778,723.71x = 466,989,853,698.74
  5. Step 5: Solve for x
    x = 466,989,853,698.74/778,723.71
  6. Step 6: Final answer
    x = 599,686.19

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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.