Home / 790,703.84-1,186,058.16-191,662.64

Finding the Fourth Proportional to 790,703.84, 1,186,058.16 and 191,662.64

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Solution

The fourth proportional to 790,703.84, 1,186,058.16 and 191,662.64 is: 287,494.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,703.84 : 1,186,058.16 = 191,662.64 : x
  2. Step 2: Convert to fraction form
    790,703.84/1,186,058.16 = 191,662.64/x
  3. Step 3: Cross multiply
    790,703.84x = 1,186,058.16 × 191,662.64
  4. Step 4: Simplify right side
    790,703.84x = 227,323,038,139.14
  5. Step 5: Solve for x
    x = 227,323,038,139.14/790,703.84
  6. Step 6: Final answer
    x = 287,494.54

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Double scale
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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.