Home / 790,742.36-1,186,113.53-191,703.49

Finding the Fourth Proportional to 790,742.36, 1,186,113.53 and 191,703.49

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Solution

The fourth proportional to 790,742.36, 1,186,113.53 and 191,703.49 is: 287,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,742.36 : 1,186,113.53 = 191,703.49 : x
  2. Step 2: Convert to fraction form
    790,742.36/1,186,113.53 = 191,703.49/x
  3. Step 3: Cross multiply
    790,742.36x = 1,186,113.53 × 191,703.49
  4. Step 4: Simplify right side
    790,742.36x = 227,382,106,344.75
  5. Step 5: Solve for x
    x = 227,382,106,344.75/790,742.36
  6. Step 6: Final answer
    x = 287,555.24

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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.