Home / 770,217.63-1,062,818.55-425,998.86

Finding the Fourth Proportional to 770,217.63, 1,062,818.55 and 425,998.86

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Solution

The fourth proportional to 770,217.63, 1,062,818.55 and 425,998.86 is: 587,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,217.63 : 1,062,818.55 = 425,998.86 : x
  2. Step 2: Convert to fraction form
    770,217.63/1,062,818.55 = 425,998.86/x
  3. Step 3: Cross multiply
    770,217.63x = 1,062,818.55 × 425,998.86
  4. Step 4: Simplify right side
    770,217.63x = 452,759,486,701.28
  5. Step 5: Solve for x
    x = 452,759,486,701.28/770,217.63
  6. Step 6: Final answer
    x = 587,833.19

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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.