Home / 770,795.62-1,063,670.81-426,632.21

Finding the Fourth Proportional to 770,795.62, 1,063,670.81 and 426,632.21

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Solution

The fourth proportional to 770,795.62, 1,063,670.81 and 426,632.21 is: 588,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,795.62 : 1,063,670.81 = 426,632.21 : x
  2. Step 2: Convert to fraction form
    770,795.62/1,063,670.81 = 426,632.21/x
  3. Step 3: Cross multiply
    770,795.62x = 1,063,670.81 × 426,632.21
  4. Step 4: Simplify right side
    770,795.62x = 453,796,228,317.04
  5. Step 5: Solve for x
    x = 453,796,228,317.04/770,795.62
  6. Step 6: Final answer
    x = 588,737.43

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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.