Home / 909,855.15-1,364,957.69-348,845.91

Finding the Fourth Proportional to 909,855.15, 1,364,957.69 and 348,845.91

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Solution

The fourth proportional to 909,855.15, 1,364,957.69 and 348,845.91 is: 523,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,855.15 : 1,364,957.69 = 348,845.91 : x
  2. Step 2: Convert to fraction form
    909,855.15/1,364,957.69 = 348,845.91/x
  3. Step 3: Cross multiply
    909,855.15x = 1,364,957.69 × 348,845.91
  4. Step 4: Simplify right side
    909,855.15x = 476,159,900,616.73
  5. Step 5: Solve for x
    x = 476,159,900,616.73/909,855.15
  6. Step 6: Final answer
    x = 523,335.94

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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.