Home / 778,477.34-1,168,177.16-329,173.58

Finding the Fourth Proportional to 778,477.34, 1,168,177.16 and 329,173.58

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Solution

The fourth proportional to 778,477.34, 1,168,177.16 and 329,173.58 is: 493,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,477.34 : 1,168,177.16 = 329,173.58 : x
  2. Step 2: Convert to fraction form
    778,477.34/1,168,177.16 = 329,173.58/x
  3. Step 3: Cross multiply
    778,477.34x = 1,168,177.16 × 329,173.58
  4. Step 4: Simplify right side
    778,477.34x = 384,533,052,813.48
  5. Step 5: Solve for x
    x = 384,533,052,813.48/778,477.34
  6. Step 6: Final answer
    x = 493,955.36

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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.