Home / 830,010.60-1,245,015.90-297,573.30

Finding the Fourth Proportional to 830,010.60, 1,245,015.90 and 297,573.30

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Solution

The fourth proportional to 830,010.60, 1,245,015.90 and 297,573.30 is: 446,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,010.60 : 1,245,015.90 = 297,573.30 : x
  2. Step 2: Convert to fraction form
    830,010.60/1,245,015.90 = 297,573.30/x
  3. Step 3: Cross multiply
    830,010.60x = 1,245,015.90 × 297,573.30
  4. Step 4: Simplify right side
    830,010.60x = 370,483,489,915.47
  5. Step 5: Solve for x
    x = 370,483,489,915.47/830,010.60
  6. Step 6: Final answer
    x = 446,359.95

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Double scale
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Similar ratio
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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.