Home / 875,389.16-1,313,198.56-342,840.98

Finding the Fourth Proportional to 875,389.16, 1,313,198.56 and 342,840.98

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Solution

The fourth proportional to 875,389.16, 1,313,198.56 and 342,840.98 is: 514,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,389.16 : 1,313,198.56 = 342,840.98 : x
  2. Step 2: Convert to fraction form
    875,389.16/1,313,198.56 = 342,840.98/x
  3. Step 3: Cross multiply
    875,389.16x = 1,313,198.56 × 342,840.98
  4. Step 4: Simplify right side
    875,389.16x = 450,218,281,244.99
  5. Step 5: Solve for x
    x = 450,218,281,244.99/875,389.16
  6. Step 6: Final answer
    x = 514,306.44

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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.