Home / 767,886.36-1,151,829.66-393,670.68

Finding the Fourth Proportional to 767,886.36, 1,151,829.66 and 393,670.68

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Solution

The fourth proportional to 767,886.36, 1,151,829.66 and 393,670.68 is: 590,506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,886.36 : 1,151,829.66 = 393,670.68 : x
  2. Step 2: Convert to fraction form
    767,886.36/1,151,829.66 = 393,670.68/x
  3. Step 3: Cross multiply
    767,886.36x = 1,151,829.66 × 393,670.68
  4. Step 4: Simplify right side
    767,886.36x = 453,441,565,496.37
  5. Step 5: Solve for x
    x = 453,441,565,496.37/767,886.36
  6. Step 6: Final answer
    x = 590,506.08

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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.