Home / 679,328.83-1,018,992.60-173,889.01

Finding the Fourth Proportional to 679,328.83, 1,018,992.60 and 173,889.01

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Solution

The fourth proportional to 679,328.83, 1,018,992.60 and 173,889.01 is: 260,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,328.83 : 1,018,992.60 = 173,889.01 : x
  2. Step 2: Convert to fraction form
    679,328.83/1,018,992.60 = 173,889.01/x
  3. Step 3: Cross multiply
    679,328.83x = 1,018,992.60 × 173,889.01
  4. Step 4: Simplify right side
    679,328.83x = 177,191,614,411.33
  5. Step 5: Solve for x
    x = 177,191,614,411.33/679,328.83
  6. Step 6: Final answer
    x = 260,833.35

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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.