Home / 874,442.67-1,312,045.18-306,231.36

Finding the Fourth Proportional to 874,442.67, 1,312,045.18 and 306,231.36

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Solution

The fourth proportional to 874,442.67, 1,312,045.18 and 306,231.36 is: 459,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,442.67 : 1,312,045.18 = 306,231.36 : x
  2. Step 2: Convert to fraction form
    874,442.67/1,312,045.18 = 306,231.36/x
  3. Step 3: Cross multiply
    874,442.67x = 1,312,045.18 × 306,231.36
  4. Step 4: Simplify right side
    874,442.67x = 401,789,374,167.10
  5. Step 5: Solve for x
    x = 401,789,374,167.10/874,442.67
  6. Step 6: Final answer
    x = 459,480.52

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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.