Home / 770,489.26-1,063,254.69-426,316.21

Finding the Fourth Proportional to 770,489.26, 1,063,254.69 and 426,316.21

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Solution

The fourth proportional to 770,489.26, 1,063,254.69 and 426,316.21 is: 588,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,489.26 : 1,063,254.69 = 426,316.21 : x
  2. Step 2: Convert to fraction form
    770,489.26/1,063,254.69 = 426,316.21/x
  3. Step 3: Cross multiply
    770,489.26x = 1,063,254.69 × 426,316.21
  4. Step 4: Simplify right side
    770,489.26x = 453,282,709,705.53
  5. Step 5: Solve for x
    x = 453,282,709,705.53/770,489.26
  6. Step 6: Final answer
    x = 588,305.03

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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.