Home / 778,525.32-1,074,383.82-434,358.75

Finding the Fourth Proportional to 778,525.32, 1,074,383.82 and 434,358.75

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Solution

The fourth proportional to 778,525.32, 1,074,383.82 and 434,358.75 is: 599,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,525.32 : 1,074,383.82 = 434,358.75 : x
  2. Step 2: Convert to fraction form
    778,525.32/1,074,383.82 = 434,358.75/x
  3. Step 3: Cross multiply
    778,525.32x = 1,074,383.82 × 434,358.75
  4. Step 4: Simplify right side
    778,525.32x = 466,668,013,075.43
  5. Step 5: Solve for x
    x = 466,668,013,075.43/778,525.32
  6. Step 6: Final answer
    x = 599,425.61

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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.