Home / 434,436.62-651,055.32-313,529.23

Finding the Fourth Proportional to 434,436.62, 651,055.32 and 313,529.23

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Solution

The fourth proportional to 434,436.62, 651,055.32 and 313,529.23 is: 469,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,436.62 : 651,055.32 = 313,529.23 : x
  2. Step 2: Convert to fraction form
    434,436.62/651,055.32 = 313,529.23/x
  3. Step 3: Cross multiply
    434,436.62x = 651,055.32 × 313,529.23
  4. Step 4: Simplify right side
    434,436.62x = 204,124,873,980.82
  5. Step 5: Solve for x
    x = 204,124,873,980.82/434,436.62
  6. Step 6: Final answer
    x = 469,861.12

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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.