Home / 770,351.91-1,063,084.84-430,820.16

Finding the Fourth Proportional to 770,351.91, 1,063,084.84 and 430,820.16

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Solution

The fourth proportional to 770,351.91, 1,063,084.84 and 430,820.16 is: 594,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,351.91 : 1,063,084.84 = 430,820.16 : x
  2. Step 2: Convert to fraction form
    770,351.91/1,063,084.84 = 430,820.16/x
  3. Step 3: Cross multiply
    770,351.91x = 1,063,084.84 × 430,820.16
  4. Step 4: Simplify right side
    770,351.91x = 457,998,378,708.27
  5. Step 5: Solve for x
    x = 457,998,378,708.27/770,351.91
  6. Step 6: Final answer
    x = 594,531.37

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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.