Home / 903,979.68-1,355,930.63-272,874.66

Finding the Fourth Proportional to 903,979.68, 1,355,930.63 and 272,874.66

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Solution

The fourth proportional to 903,979.68, 1,355,930.63 and 272,874.66 is: 409,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,979.68 : 1,355,930.63 = 272,874.66 : x
  2. Step 2: Convert to fraction form
    903,979.68/1,355,930.63 = 272,874.66/x
  3. Step 3: Cross multiply
    903,979.68x = 1,355,930.63 × 272,874.66
  4. Step 4: Simplify right side
    903,979.68x = 369,999,105,753.92
  5. Step 5: Solve for x
    x = 369,999,105,753.92/903,979.68
  6. Step 6: Final answer
    x = 409,300.25

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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.