Home / 581,942.95-803,450.24-398,488.52

Finding the Fourth Proportional to 581,942.95, 803,450.24 and 398,488.52

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Solution

The fourth proportional to 581,942.95, 803,450.24 and 398,488.52 is: 550,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,942.95 : 803,450.24 = 398,488.52 : x
  2. Step 2: Convert to fraction form
    581,942.95/803,450.24 = 398,488.52/x
  3. Step 3: Cross multiply
    581,942.95x = 803,450.24 × 398,488.52
  4. Step 4: Simplify right side
    581,942.95x = 320,165,694,010.22
  5. Step 5: Solve for x
    x = 320,165,694,010.22/581,942.95
  6. Step 6: Final answer
    x = 550,166.81

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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.