Home / 779,121.64-1,169,207.34-305,751.16

Finding the Fourth Proportional to 779,121.64, 1,169,207.34 and 305,751.16

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Solution

The fourth proportional to 779,121.64, 1,169,207.34 and 305,751.16 is: 458,832.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,121.64 : 1,169,207.34 = 305,751.16 : x
  2. Step 2: Convert to fraction form
    779,121.64/1,169,207.34 = 305,751.16/x
  3. Step 3: Cross multiply
    779,121.64x = 1,169,207.34 × 305,751.16
  4. Step 4: Simplify right side
    779,121.64x = 357,486,500,485.51
  5. Step 5: Solve for x
    x = 357,486,500,485.51/779,121.64
  6. Step 6: Final answer
    x = 458,832.72

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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.