Home / 903,464.64-1,353,390.04-543,436.65

Finding the Fourth Proportional to 903,464.64, 1,353,390.04 and 543,436.65

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Solution

The fourth proportional to 903,464.64, 1,353,390.04 and 543,436.65 is: 814,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,464.64 : 1,353,390.04 = 543,436.65 : x
  2. Step 2: Convert to fraction form
    903,464.64/1,353,390.04 = 543,436.65/x
  3. Step 3: Cross multiply
    903,464.64x = 1,353,390.04 × 543,436.65
  4. Step 4: Simplify right side
    903,464.64x = 735,481,749,480.97
  5. Step 5: Solve for x
    x = 735,481,749,480.97/903,464.64
  6. Step 6: Final answer
    x = 814,068.11

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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.