Home / 482,376.47-723,998.39-257,928.76

Finding the Fourth Proportional to 482,376.47, 723,998.39 and 257,928.76

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Solution

The fourth proportional to 482,376.47, 723,998.39 and 257,928.76 is: 387,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,376.47 : 723,998.39 = 257,928.76 : x
  2. Step 2: Convert to fraction form
    482,376.47/723,998.39 = 257,928.76/x
  3. Step 3: Cross multiply
    482,376.47x = 723,998.39 × 257,928.76
  4. Step 4: Simplify right side
    482,376.47x = 186,740,003,875.06
  5. Step 5: Solve for x
    x = 186,740,003,875.06/482,376.47
  6. Step 6: Final answer
    x = 387,125.02

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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.