Home / 788,504.46-1,088,135.48-425,928.20

Finding the Fourth Proportional to 788,504.46, 1,088,135.48 and 425,928.20

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Solution

The fourth proportional to 788,504.46, 1,088,135.48 and 425,928.20 is: 587,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,504.46 : 1,088,135.48 = 425,928.20 : x
  2. Step 2: Convert to fraction form
    788,504.46/1,088,135.48 = 425,928.20/x
  3. Step 3: Cross multiply
    788,504.46x = 1,088,135.48 × 425,928.20
  4. Step 4: Simplify right side
    788,504.46x = 463,467,586,352.54
  5. Step 5: Solve for x
    x = 463,467,586,352.54/788,504.46
  6. Step 6: Final answer
    x = 587,780.55

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Double scale
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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.