Home / 760,758.16-1,141,350.56-305,668.96

Finding the Fourth Proportional to 760,758.16, 1,141,350.56 and 305,668.96

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Solution

The fourth proportional to 760,758.16, 1,141,350.56 and 305,668.96 is: 458,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,758.16 : 1,141,350.56 = 305,668.96 : x
  2. Step 2: Convert to fraction form
    760,758.16/1,141,350.56 = 305,668.96/x
  3. Step 3: Cross multiply
    760,758.16x = 1,141,350.56 × 305,668.96
  4. Step 4: Simplify right side
    760,758.16x = 348,875,438,670.62
  5. Step 5: Solve for x
    x = 348,875,438,670.62/760,758.16
  6. Step 6: Final answer
    x = 458,589.15

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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.