Home / 434,742.40-650,662.08-247,703.68

Finding the Fourth Proportional to 434,742.40, 650,662.08 and 247,703.68

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Solution

The fourth proportional to 434,742.40, 650,662.08 and 247,703.68 is: 370,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,742.40 : 650,662.08 = 247,703.68 : x
  2. Step 2: Convert to fraction form
    434,742.40/650,662.08 = 247,703.68/x
  3. Step 3: Cross multiply
    434,742.40x = 650,662.08 × 247,703.68
  4. Step 4: Simplify right side
    434,742.40x = 161,171,391,652.45
  5. Step 5: Solve for x
    x = 161,171,391,652.45/434,742.40
  6. Step 6: Final answer
    x = 370,728.49

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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.