Home / 482,836.11-724,254.12-257,513.91

Finding the Fourth Proportional to 482,836.11, 724,254.12 and 257,513.91

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Solution

The fourth proportional to 482,836.11, 724,254.12 and 257,513.91 is: 386,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,836.11 : 724,254.12 = 257,513.91 : x
  2. Step 2: Convert to fraction form
    482,836.11/724,254.12 = 257,513.91/x
  3. Step 3: Cross multiply
    482,836.11x = 724,254.12 × 257,513.91
  4. Step 4: Simplify right side
    482,836.11x = 186,505,510,274.81
  5. Step 5: Solve for x
    x = 186,505,510,274.81/482,836.11
  6. Step 6: Final answer
    x = 386,270.84

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1.5x scale

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.