Home / 778,839.32-1,074,799.25-434,675.25

Finding the Fourth Proportional to 778,839.32, 1,074,799.25 and 434,675.25

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Solution

The fourth proportional to 778,839.32, 1,074,799.25 and 434,675.25 is: 599,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,839.32 : 1,074,799.25 = 434,675.25 : x
  2. Step 2: Convert to fraction form
    778,839.32/1,074,799.25 = 434,675.25/x
  3. Step 3: Cross multiply
    778,839.32x = 1,074,799.25 × 434,675.25
  4. Step 4: Simplify right side
    778,839.32x = 467,188,630,520.19
  5. Step 5: Solve for x
    x = 467,188,630,520.19/778,839.32
  6. Step 6: Final answer
    x = 599,852.40

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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.