Home / 830,466.28-1,245,699.20-475,229.18

Finding the Fourth Proportional to 830,466.28, 1,245,699.20 and 475,229.18

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Solution

The fourth proportional to 830,466.28, 1,245,699.20 and 475,229.18 is: 712,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,466.28 : 1,245,699.20 = 475,229.18 : x
  2. Step 2: Convert to fraction form
    830,466.28/1,245,699.20 = 475,229.18/x
  3. Step 3: Cross multiply
    830,466.28x = 1,245,699.20 × 475,229.18
  4. Step 4: Simplify right side
    830,466.28x = 591,992,609,342.66
  5. Step 5: Solve for x
    x = 591,992,609,342.66/830,466.28
  6. Step 6: Final answer
    x = 712,843.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.