Home / 840,504.16-1,159,872.78-458,530.84

Finding the Fourth Proportional to 840,504.16, 1,159,872.78 and 458,530.84

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Solution

The fourth proportional to 840,504.16, 1,159,872.78 and 458,530.84 is: 632,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,504.16 : 1,159,872.78 = 458,530.84 : x
  2. Step 2: Convert to fraction form
    840,504.16/1,159,872.78 = 458,530.84/x
  3. Step 3: Cross multiply
    840,504.16x = 1,159,872.78 × 458,530.84
  4. Step 4: Simplify right side
    840,504.16x = 531,837,440,106.54
  5. Step 5: Solve for x
    x = 531,837,440,106.54/840,504.16
  6. Step 6: Final answer
    x = 632,760.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.