Home / 903,463.64-1,353,388.54-543,435.65

Finding the Fourth Proportional to 903,463.64, 1,353,388.54 and 543,435.65

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Solution

The fourth proportional to 903,463.64, 1,353,388.54 and 543,435.65 is: 814,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,463.64 : 1,353,388.54 = 543,435.65 : x
  2. Step 2: Convert to fraction form
    903,463.64/1,353,388.54 = 543,435.65/x
  3. Step 3: Cross multiply
    903,463.64x = 1,353,388.54 × 543,435.65
  4. Step 4: Simplify right side
    903,463.64x = 735,479,574,170.51
  5. Step 5: Solve for x
    x = 735,479,574,170.51/903,463.64
  6. Step 6: Final answer
    x = 814,066.61

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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.