Home / 497,929.48-746,511.39-257,785.94

Finding the Fourth Proportional to 497,929.48, 746,511.39 and 257,785.94

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Solution

The fourth proportional to 497,929.48, 746,511.39 and 257,785.94 is: 386,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,929.48 : 746,511.39 = 257,785.94 : x
  2. Step 2: Convert to fraction form
    497,929.48/746,511.39 = 257,785.94/x
  3. Step 3: Cross multiply
    497,929.48x = 746,511.39 × 257,785.94
  4. Step 4: Simplify right side
    497,929.48x = 192,440,142,258.14
  5. Step 5: Solve for x
    x = 192,440,142,258.14/497,929.48
  6. Step 6: Final answer
    x = 386,480.72

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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.