Home / 770,128.44-1,062,773.80-430,596.69

Finding the Fourth Proportional to 770,128.44, 1,062,773.80 and 430,596.69

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Solution

The fourth proportional to 770,128.44, 1,062,773.80 and 430,596.69 is: 594,221.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,128.44 : 1,062,773.80 = 430,596.69 : x
  2. Step 2: Convert to fraction form
    770,128.44/1,062,773.80 = 430,596.69/x
  3. Step 3: Cross multiply
    770,128.44x = 1,062,773.80 × 430,596.69
  4. Step 4: Simplify right side
    770,128.44x = 457,626,875,436.83
  5. Step 5: Solve for x
    x = 457,626,875,436.83/770,128.44
  6. Step 6: Final answer
    x = 594,221.50

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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.