Home / 788,190.75-1,087,729.16-430,494.75

Finding the Fourth Proportional to 788,190.75, 1,087,729.16 and 430,494.75

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Solution

The fourth proportional to 788,190.75, 1,087,729.16 and 430,494.75 is: 594,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,190.75 : 1,087,729.16 = 430,494.75 : x
  2. Step 2: Convert to fraction form
    788,190.75/1,087,729.16 = 430,494.75/x
  3. Step 3: Cross multiply
    788,190.75x = 1,087,729.16 × 430,494.75
  4. Step 4: Simplify right side
    788,190.75x = 468,261,690,649.44
  5. Step 5: Solve for x
    x = 468,261,690,649.44/788,190.75
  6. Step 6: Final answer
    x = 594,096.91

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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.