Home / 803,153.58-1,205,046.11-353,559.23

Finding the Fourth Proportional to 803,153.58, 1,205,046.11 and 353,559.23

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Solution

The fourth proportional to 803,153.58, 1,205,046.11 and 353,559.23 is: 530,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,153.58 : 1,205,046.11 = 353,559.23 : x
  2. Step 2: Convert to fraction form
    803,153.58/1,205,046.11 = 353,559.23/x
  3. Step 3: Cross multiply
    803,153.58x = 1,205,046.11 × 353,559.23
  4. Step 4: Simplify right side
    803,153.58x = 426,055,174,143.69
  5. Step 5: Solve for x
    x = 426,055,174,143.69/803,153.58
  6. Step 6: Final answer
    x = 530,477.84

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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.