Home / 698,089.82-1,046,165.92-318,081.87

Finding the Fourth Proportional to 698,089.82, 1,046,165.92 and 318,081.87

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Solution

The fourth proportional to 698,089.82, 1,046,165.92 and 318,081.87 is: 476,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,089.82 : 1,046,165.92 = 318,081.87 : x
  2. Step 2: Convert to fraction form
    698,089.82/1,046,165.92 = 318,081.87/x
  3. Step 3: Cross multiply
    698,089.82x = 1,046,165.92 × 318,081.87
  4. Step 4: Simplify right side
    698,089.82x = 332,766,411,368.67
  5. Step 5: Solve for x
    x = 332,766,411,368.67/698,089.82
  6. Step 6: Final answer
    x = 476,681.37

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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.