Home / 769,854.32-1,062,376.88-425,684.24

Finding the Fourth Proportional to 769,854.32, 1,062,376.88 and 425,684.24

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Solution

The fourth proportional to 769,854.32, 1,062,376.88 and 425,684.24 is: 587,432.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,854.32 : 1,062,376.88 = 425,684.24 : x
  2. Step 2: Convert to fraction form
    769,854.32/1,062,376.88 = 425,684.24/x
  3. Step 3: Cross multiply
    769,854.32x = 1,062,376.88 × 425,684.24
  4. Step 4: Simplify right side
    769,854.32x = 452,237,089,444.49
  5. Step 5: Solve for x
    x = 452,237,089,444.49/769,854.32
  6. Step 6: Final answer
    x = 587,432.04

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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.