Home / 790,220.10-1,185,333.21-191,180.28

Finding the Fourth Proportional to 790,220.10, 1,185,333.21 and 191,180.28

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Solution

The fourth proportional to 790,220.10, 1,185,333.21 and 191,180.28 is: 286,771.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,220.10 : 1,185,333.21 = 191,180.28 : x
  2. Step 2: Convert to fraction form
    790,220.10/1,185,333.21 = 191,180.28/x
  3. Step 3: Cross multiply
    790,220.10x = 1,185,333.21 × 191,180.28
  4. Step 4: Simplify right side
    790,220.10x = 226,612,334,981.10
  5. Step 5: Solve for x
    x = 226,612,334,981.10/790,220.10
  6. Step 6: Final answer
    x = 286,771.16

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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.