Home / 760,120.85-1,048,992.19-415,949.42

Finding the Fourth Proportional to 760,120.85, 1,048,992.19 and 415,949.42

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Solution

The fourth proportional to 760,120.85, 1,048,992.19 and 415,949.42 is: 574,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,120.85 : 1,048,992.19 = 415,949.42 : x
  2. Step 2: Convert to fraction form
    760,120.85/1,048,992.19 = 415,949.42/x
  3. Step 3: Cross multiply
    760,120.85x = 1,048,992.19 × 415,949.42
  4. Step 4: Simplify right side
    760,120.85x = 436,327,694,597.64
  5. Step 5: Solve for x
    x = 436,327,694,597.64/760,120.85
  6. Step 6: Final answer
    x = 574,024.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.