Home / 651,129.37-976,928.96-347,203.87

Finding the Fourth Proportional to 651,129.37, 976,928.96 and 347,203.87

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Solution

The fourth proportional to 651,129.37, 976,928.96 and 347,203.87 is: 520,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,129.37 : 976,928.96 = 347,203.87 : x
  2. Step 2: Convert to fraction form
    651,129.37/976,928.96 = 347,203.87/x
  3. Step 3: Cross multiply
    651,129.37x = 976,928.96 × 347,203.87
  4. Step 4: Simplify right side
    651,129.37x = 339,193,513,891.06
  5. Step 5: Solve for x
    x = 339,193,513,891.06/651,129.37
  6. Step 6: Final answer
    x = 520,931.06

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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.